CYCLONE

{
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}

{
    "zone_id": "osint_danish_straits",
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}

{
    "zone_id": "osint_danish_straits",
    "zone_name": "Danish Straits\/Skagerrak",
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    "points_in_zone": 80,
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}

{
    "zone_id": "discovered_004",
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    "first_point": {
        "ts": "2026-10-26T21:04:52+00:00",
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        "ts": "2026-10-27T01:30:18+00:00",
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        "lon": 3.070476699999999947721107673714868724346160888671875
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}

{
    "zone_id": "discovered_004",
    "zone_name": "English Channel Surveillance Zone",
    "dwell_minutes": 294.80000000000001136868377216160297393798828125,
    "points_in_zone": 10,
    "first_point": {
        "ts": "2026-10-26T20:35:31+00:00",
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        "lon": 3.070476699999999947721107673714868724346160888671875
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}

{
    "zone_id": "discovered_139",
    "zone_name": "Northwest Iberian Sea Surveillance Zone",
    "dwell_minutes": 105,
    "points_in_zone": 24,
    "first_point": {
        "ts": "2026-10-26T11:06:03+00:00",
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        "lon": 0.8876317000000000234649633057415485382080078125
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}

{
    "zone_id": "discovered_139",
    "zone_name": "Northwest Iberian Sea Surveillance Zone",
    "dwell_minutes": 118.7999999999999971578290569595992565155029296875,
    "points_in_zone": 27,
    "first_point": {
        "ts": "2026-10-26T10:52:14+00:00",
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        "lon": 0.8876317000000000234649633057415485382080078125
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}

{
    "zone_id": "discovered_133",
    "zone_name": "English Channel Surveillance Zone",
    "dwell_minutes": 85,
    "points_in_zone": 26,
    "first_point": {
        "ts": "2026-10-26T09:01:53+00:00",
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        "lon": 0.103264999999999995683452880257391370832920074462890625
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}

{
    "zone_id": "discovered_133",
    "zone_name": "English Channel Surveillance Zone",
    "dwell_minutes": 139.69999999999998863131622783839702606201171875,
    "points_in_zone": 42,
    "first_point": {
        "ts": "2026-10-26T08:07:12+00:00",
        "lat": 50.20674999999999954525264911353588104248046875,
        "lon": -0.79159170000000000921858145375153981149196624755859375
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        "ts": "2026-10-26T10:26:53+00:00",
        "lat": 50.345826700000003484092303551733493804931640625,
        "lon": 0.103264999999999995683452880257391370832920074462890625
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}

{
    "zone_id": "discovered_133",
    "zone_name": "English Channel Surveillance Zone",
    "dwell_minutes": 157.5,
    "points_in_zone": 43,
    "first_point": {
        "ts": "2026-10-26T07:49:22+00:00",
        "lat": 50.18516670000000345908119925297796726226806640625,
        "lon": -0.91343330000000000357118778993026353418827056884765625
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    "last_point": {
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        "lon": 0.103264999999999995683452880257391370832920074462890625
    }
}

{
    "zone_id": "discovered_014",
    "zone_name": "Central Atlantic Surveillance Zone",
    "dwell_minutes": 76.7000000000000028421709430404007434844970703125,
    "points_in_zone": 22,
    "first_point": {
        "ts": "2026-10-23T02:00:24+00:00",
        "lat": 38.92743829999999860547177377156913280487060546875,
        "lon": -9.93760999999999938836481305770576000213623046875
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    "last_point": {
        "ts": "2026-10-23T03:17:03+00:00",
        "lat": 39.183958300000000463114702142775058746337890625,
        "lon": -9.9354516999999997750592228840105235576629638671875
    }
}

{
    "zone_id": "discovered_014",
    "zone_name": "Central Atlantic Surveillance Zone",
    "dwell_minutes": 135.69999999999998863131622783839702606201171875,
    "points_in_zone": 45,
    "first_point": {
        "ts": "2026-10-23T01:01:23+00:00",
        "lat": 38.73066000000000030922819860279560089111328125,
        "lon": -9.9388850000000008577671906095929443836212158203125
    },
    "last_point": {
        "ts": "2026-10-23T03:17:03+00:00",
        "lat": 39.183958300000000463114702142775058746337890625,
        "lon": -9.9354516999999997750592228840105235576629638671875
    }
}

{
    "zone_id": "discovered_014",
    "zone_name": "Central Atlantic Surveillance Zone",
    "dwell_minutes": 193,
    "points_in_zone": 53,
    "first_point": {
        "ts": "2026-10-23T00:04:04+00:00",
        "lat": 38.54927169999999847505023353733122348785400390625,
        "lon": -9.885451700000000840873326524160802364349365234375
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    "last_point": {
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        "lat": 39.183958300000000463114702142775058746337890625,
        "lon": -9.9354516999999997750592228840105235576629638671875
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}

{
    "zone_id": "osint_ceuta",
    "zone_name": "Ceuta\/Gibraltar STS Zone",
    "dwell_minutes": 80.2999999999999971578290569595992565155029296875,
    "points_in_zone": 25,
    "first_point": {
        "ts": "2026-10-21T22:08:43+00:00",
        "lat": 36.01744500000000215322870644740760326385498046875,
        "lon": -5.33898829999999957607315081986598670482635498046875
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    "last_point": {
        "ts": "2026-10-21T23:29:03+00:00",
        "lat": 35.94702670000000210848156712017953395843505859375,
        "lon": -5.6251683000000003431750883464701473712921142578125
    }
}

{
    "zone_id": "osint_ceuta",
    "zone_name": "Ceuta\/Gibraltar STS Zone",
    "dwell_minutes": 96.2000000000000028421709430404007434844970703125,
    "points_in_zone": 27,
    "first_point": {
        "ts": "2026-10-21T21:52:53+00:00",
        "lat": 36.021338299999996479527908377349376678466796875,
        "lon": -5.28680669999999963692971505224704742431640625
    },
    "last_point": {
        "ts": "2026-10-21T23:29:03+00:00",
        "lat": 35.94702670000000210848156712017953395843505859375,
        "lon": -5.6251683000000003431750883464701473712921142578125
    }
}

{
    "zone_id": "discovered_161",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 327,
    "points_in_zone": 5,
    "first_point": {
        "ts": "2026-10-14T08:41:26+00:00",
        "lat": 31.533191699999999713099896325729787349700927734375,
        "lon": 32.36208330000000188420017366297543048858642578125
    },
    "last_point": {
        "ts": "2026-10-14T14:08:27+00:00",
        "lat": 31.533003300000000734826244297437369823455810546875,
        "lon": 32.3617449999999990950527717359364032745361328125
    }
}

{
    "vessel_a": {
        "mmsi": 273123620,
        "imo": 9314167,
        "name": "CYCLONE",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273129020,
        "imo": 9353096,
        "name": "GURU",
        "flag": "RUSSIA"
    },
    "min_distance_m": 39.60000000000000142108547152020037174224853515625,
    "avg_distance_m": 46,
    "distance_consistency_m": 6.20000000000000017763568394002504646778106689453125,
    "duration_minutes": 47,
    "overlap_duration_s": 2822,
    "speed_a_avg": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_a_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_avg": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.08000000000000000166533453693773481063544750213623046875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.08000000000000000166533453693773481063544750213623046875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-17T14:24:02+00:00",
        "end": "2026-09-17T15:11:04+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 80,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 40m, avg 46m"
            },
            "duration": {
                "score": 10,
                "max": 25,
                "detail": "Duration 47 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b16m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (CYCLONE and GURU) maintained close proximity (min 40m, avg 46m) for 47 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 71,
    "points_in_zone": 6,
    "first_point": {
        "ts": "2026-09-17T14:00:03+00:00",
        "lat": 31.517276700000000033696778700686991214752197265625,
        "lon": 32.39634170000000068512235884554684162139892578125
    },
    "last_point": {
        "ts": "2026-09-17T15:11:04+00:00",
        "lat": 31.5154500000000012960299500264227390289306640625,
        "lon": 32.39775999999999811507223057560622692108154296875
    }
}

{
    "vessel_a": {
        "mmsi": 273123620,
        "imo": 9314167,
        "name": "CYCLONE",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273129020,
        "imo": 9353096,
        "name": "GURU",
        "flag": "RUSSIA"
    },
    "min_distance_m": 39.39999999999999857891452847979962825775146484375,
    "avg_distance_m": 44.2999999999999971578290569595992565155029296875,
    "distance_consistency_m": 4.4000000000000003552713678800500929355621337890625,
    "duration_minutes": 131,
    "overlap_duration_s": 7858,
    "speed_a_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-17T13:00:06+00:00",
        "end": "2026-09-17T15:11:04+00:00"
    },
    "points_count": {
        "vessel_a": 12,
        "vessel_b": 12
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 39m, avg 44m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 131 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (CYCLONE and GURU) maintained close proximity (min 39m, avg 44m) for 131 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.516834100000000518093656864948570728302001953125,
            "lon": 32.39672569999999751644281786866486072540283203125
        },
        "time_window": {
            "start_ts": "2026-09-17T13:00:06+00:00",
            "end_ts": "2026-09-17T15:11:04+00:00"
        },
        "searched_at": "2026-09-17T19:30:01.809261+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 131,
    "points_in_zone": 12,
    "first_point": {
        "ts": "2026-09-17T13:00:06+00:00",
        "lat": 31.51793669999999991659933584742248058319091796875,
        "lon": 32.39659329999999926030795904807746410369873046875
    },
    "last_point": {
        "ts": "2026-09-17T15:11:04+00:00",
        "lat": 31.5154500000000012960299500264227390289306640625,
        "lon": 32.39775999999999811507223057560622692108154296875
    }
}

{
    "radius_m": 201.599999999999994315658113919198513031005859375,
    "duration_minutes": 131,
    "points": 12,
    "centroid": {
        "lat": 31.516991808333333580094404169358313083648681640625,
        "lon": 32.39663569166666690080091939307749271392822265625
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    "bbox": {
        "min_lat": 31.5154500000000012960299500264227390289306640625,
        "min_lon": 32.39634170000000068512235884554684162139892578125,
        "max_lat": 31.51793669999999991659933584742248058319091796875,
        "max_lon": 32.39775999999999811507223057560622692108154296875
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    "zone_id": "discovered_167"
}

{
    "vessel_a": {
        "mmsi": 273123620,
        "imo": 9314167,
        "name": "CYCLONE",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273129020,
        "imo": 9353096,
        "name": "GURU",
        "flag": "RUSSIA"
    },
    "min_distance_m": 39.39999999999999857891452847979962825775146484375,
    "avg_distance_m": 44.60000000000000142108547152020037174224853515625,
    "distance_consistency_m": 4.4000000000000003552713678800500929355621337890625,
    "duration_minutes": 139.900000000000005684341886080801486968994140625,
    "overlap_duration_s": 8395,
    "speed_a_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-17T12:51:09+00:00",
        "end": "2026-09-17T15:11:04+00:00"
    },
    "points_count": {
        "vessel_a": 13,
        "vessel_b": 13
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 39m, avg 45m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 140 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (CYCLONE and GURU) maintained close proximity (min 39m, avg 45m) for 140 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 187.900000000000005684341886080801486968994140625,
    "points_in_zone": 18,
    "first_point": {
        "ts": "2026-09-17T12:03:12+00:00",
        "lat": 31.518543300000001039506969391368329524993896484375,
        "lon": 32.3971149999999994406607584096491336822509765625
    },
    "last_point": {
        "ts": "2026-09-17T15:11:04+00:00",
        "lat": 31.5154500000000012960299500264227390289306640625,
        "lon": 32.39775999999999811507223057560622692108154296875
    }
}

{
    "radius_m": 242,
    "duration_minutes": 187.900000000000005684341886080801486968994140625,
    "points": 18,
    "centroid": {
        "lat": 31.51745083333333496966588427312672138214111328125,
        "lon": 32.396741194444445000044652260839939117431640625
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    "bbox": {
        "min_lat": 31.5154500000000012960299500264227390289306640625,
        "min_lon": 32.39634170000000068512235884554684162139892578125,
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        "max_lon": 32.39775999999999811507223057560622692108154296875
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    "zone_id": "discovered_167"
}

{
    "vessel_a": {
        "mmsi": 273123620,
        "imo": 9314167,
        "name": "CYCLONE",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273129020,
        "imo": 9353096,
        "name": "GURU",
        "flag": "RUSSIA"
    },
    "min_distance_m": 39.39999999999999857891452847979962825775146484375,
    "avg_distance_m": 45.89999999999999857891452847979962825775146484375,
    "distance_consistency_m": 4.29999999999999982236431605997495353221893310546875,
    "duration_minutes": 242.900000000000005684341886080801486968994140625,
    "overlap_duration_s": 14574,
    "speed_a_avg": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_a_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_avg": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0200000000000000004163336342344337026588618755340576171875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.0200000000000000004163336342344337026588618755340576171875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-17T11:08:10+00:00",
        "end": "2026-09-17T15:11:04+00:00"
    },
    "points_count": {
        "vessel_a": 24,
        "vessel_b": 24
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 39m, avg 46m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 243 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (CYCLONE and GURU) maintained close proximity (min 39m, avg 46m) for 243 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.517532299999999167994246818125247955322265625,
            "lon": 32.39680210000000215586624108254909515380859375
        },
        "time_window": {
            "start_ts": "2026-09-17T11:08:10+00:00",
            "end_ts": "2026-09-17T15:11:04+00:00"
        },
        "searched_at": "2026-09-17T17:45:16.492941+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 249.900000000000005684341886080801486968994140625,
    "points_in_zone": 25,
    "first_point": {
        "ts": "2026-09-17T11:01:10+00:00",
        "lat": 31.5182716999999996687620296142995357513427734375,
        "lon": 32.39678500000000127556631923653185367584228515625
    },
    "last_point": {
        "ts": "2026-09-17T15:11:04+00:00",
        "lat": 31.5154500000000012960299500264227390289306640625,
        "lon": 32.39775999999999811507223057560622692108154296875
    }
}

{
    "radius_m": 269.1000000000000227373675443232059478759765625,
    "duration_minutes": 249.900000000000005684341886080801486968994140625,
    "points": 25,
    "centroid": {
        "lat": 31.51773359999999257752278936095535755157470703125,
        "lon": 32.39679919199999602597017656080424785614013671875
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        "min_lat": 31.5154500000000012960299500264227390289306640625,
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}

{
    "vessel_a": {
        "mmsi": 273123620,
        "imo": 9314167,
        "name": "CYCLONE",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273129020,
        "imo": 9353096,
        "name": "GURU",
        "flag": "RUSSIA"
    },
    "min_distance_m": 39.39999999999999857891452847979962825775146484375,
    "avg_distance_m": 45.89999999999999857891452847979962825775146484375,
    "distance_consistency_m": 4.20000000000000017763568394002504646778106689453125,
    "duration_minutes": 266.8999999999999772626324556767940521240234375,
    "overlap_duration_s": 16014,
    "speed_a_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_a_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-17T10:44:10+00:00",
        "end": "2026-09-17T15:11:04+00:00"
    },
    "points_count": {
        "vessel_a": 27,
        "vessel_b": 27
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 39m, avg 46m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 267 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (CYCLONE and GURU) maintained close proximity (min 39m, avg 46m) for 267 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 303.80000000000001136868377216160297393798828125,
    "points_in_zone": 30,
    "first_point": {
        "ts": "2026-09-17T10:07:14+00:00",
        "lat": 31.518473300000000136833477881737053394317626953125,
        "lon": 32.39692170000000004392859409563243389129638671875
    },
    "last_point": {
        "ts": "2026-09-17T15:11:04+00:00",
        "lat": 31.5154500000000012960299500264227390289306640625,
        "lon": 32.39775999999999811507223057560622692108154296875
    }
}

{
    "radius_m": 280.6000000000000227373675443232059478759765625,
    "duration_minutes": 303.80000000000001136868377216160297393798828125,
    "points": 30,
    "centroid": {
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        "lon": 32.3968024933333396120360703207552433013916015625
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    "bbox": {
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    "zone_id": "discovered_167"
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{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 358.8999999999999772626324556767940521240234375,
    "points_in_zone": 38,
    "first_point": {
        "ts": "2026-09-17T09:12:12+00:00",
        "lat": 31.518750000000000710542735760100185871124267578125,
        "lon": 32.397300000000001318767317570745944976806640625
    },
    "last_point": {
        "ts": "2026-09-17T15:11:04+00:00",
        "lat": 31.5154500000000012960299500264227390289306640625,
        "lon": 32.39775999999999811507223057560622692108154296875
    }
}

{
    "radius_m": 296.1000000000000227373675443232059478759765625,
    "duration_minutes": 358.8999999999999772626324556767940521240234375,
    "points": 38,
    "centroid": {
        "lat": 31.51800671315789514892458100803196430206298828125,
        "lon": 32.3968614394736817985176458023488521575927734375
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    "bbox": {
        "min_lat": 31.5154500000000012960299500264227390289306640625,
        "min_lon": 32.39634170000000068512235884554684162139892578125,
        "max_lat": 31.518750000000000710542735760100185871124267578125,
        "max_lon": 32.39775999999999811507223057560622692108154296875
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    "zone_id": "discovered_167"
}

{
    "vessel_a": {
        "mmsi": 273123620,
        "imo": 9314167,
        "name": "CYCLONE",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273129020,
        "imo": 9353096,
        "name": "GURU",
        "flag": "RUSSIA"
    },
    "min_distance_m": 39.39999999999999857891452847979962825775146484375,
    "avg_distance_m": 45.5,
    "distance_consistency_m": 3.899999999999999911182158029987476766109466552734375,
    "duration_minutes": 358.8999999999999772626324556767940521240234375,
    "overlap_duration_s": 21532,
    "speed_a_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_a_std": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_b_std": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-17T09:12:12+00:00",
        "end": "2026-09-17T15:11:04+00:00"
    },
    "points_count": {
        "vessel_a": 38,
        "vessel_b": 38
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 39m, avg 46m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 359 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (CYCLONE and GURU) maintained close proximity (min 39m, avg 46m) for 359 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 273123620,
        "imo": 9314167,
        "name": "CYCLONE",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273129020,
        "imo": 9353096,
        "name": "GURU",
        "flag": "RUSSIA"
    },
    "min_distance_m": 39.39999999999999857891452847979962825775146484375,
    "avg_distance_m": 45.2999999999999971578290569595992565155029296875,
    "distance_consistency_m": 3.79999999999999982236431605997495353221893310546875,
    "duration_minutes": 374.80000000000001136868377216160297393798828125,
    "overlap_duration_s": 22486,
    "speed_a_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_a_std": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_b_std": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-17T08:30:16+00:00",
        "end": "2026-09-17T14:45:02+00:00"
    },
    "points_count": {
        "vessel_a": 40,
        "vessel_b": 40
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 39m, avg 45m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 375 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (CYCLONE and GURU) maintained close proximity (min 39m, avg 45m) for 375 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 388.80000000000001136868377216160297393798828125,
    "points_in_zone": 39,
    "first_point": {
        "ts": "2026-09-17T08:42:14+00:00",
        "lat": 31.518498300000000966747393249534070491790771484375,
        "lon": 32.3970649999999977808329276740550994873046875
    },
    "last_point": {
        "ts": "2026-09-17T15:11:04+00:00",
        "lat": 31.5154500000000012960299500264227390289306640625,
        "lon": 32.39775999999999811507223057560622692108154296875
    }
}

{
    "radius_m": 297.30000000000001136868377216160297393798828125,
    "duration_minutes": 388.80000000000001136868377216160297393798828125,
    "points": 39,
    "centroid": {
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        "lon": 32.39686665897435347005739458836615085601806640625
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    "bbox": {
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        "min_lon": 32.39634170000000068512235884554684162139892578125,
        "max_lat": 31.518750000000000710542735760100185871124267578125,
        "max_lon": 32.39775999999999811507223057560622692108154296875
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    "zone_id": "discovered_167"
}

{
    "vessel_a": {
        "mmsi": 273123620,
        "imo": 9314167,
        "name": "CYCLONE",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273129020,
        "imo": 9353096,
        "name": "GURU",
        "flag": "RUSSIA"
    },
    "min_distance_m": 37.2999999999999971578290569595992565155029296875,
    "avg_distance_m": 44.89999999999999857891452847979962825775146484375,
    "distance_consistency_m": 3.5,
    "duration_minutes": 365.80000000000001136868377216160297393798828125,
    "overlap_duration_s": 21947,
    "speed_a_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_a_std": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_avg": 0,
    "speed_b_std": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-17T07:54:16+00:00",
        "end": "2026-09-17T14:00:03+00:00"
    },
    "points_count": {
        "vessel_a": 41,
        "vessel_b": 41
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 37m, avg 45m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 366 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (CYCLONE and GURU) maintained close proximity (min 37m, avg 45m) for 366 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 394.80000000000001136868377216160297393798828125,
    "points_in_zone": 43,
    "first_point": {
        "ts": "2026-09-17T07:54:16+00:00",
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{
    "vessel_a": {
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        "flag": "RUSSIA"
    },
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        "imo": 9314167,
        "name": "CYCLONE",
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        "vessel_a": {
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        "start": "2026-09-17T06:58:35+00:00",
        "end": "2026-09-17T08:49:36+00:00"
    },
    "points_count": {
        "vessel_a": 18,
        "vessel_b": 18
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    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 90,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 28m, avg 42m"
            },
            "duration": {
                "score": 20,
                "max": 25,
                "detail": "Duration 111 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b15m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GURU and CYCLONE) maintained close proximity (min 28m, avg 42m) for 111 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
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            "end_ts": "2026-09-17T08:49:36+00:00"
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        "searched_at": "2026-09-17T09:45:09.627247+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
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{
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{
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{
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{
    "zone_id": "discovered_167",
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{
    "radius_m": 53.60000000000000142108547152020037174224853515625,
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{
    "vessel_a": {
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        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273123620,
        "imo": 9314167,
        "name": "CYCLONE",
        "flag": "RUSSIA"
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    "speed_b_avg": 0.0200000000000000004163336342344337026588618755340576171875,
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    "speed_summary": {
        "vessel_a": {
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            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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    },
    "time_window": {
        "start": "2026-09-17T02:57:26+00:00",
        "end": "2026-09-17T08:49:36+00:00"
    },
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        "vessel_a": 21,
        "vessel_b": 21
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    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 28m, avg 41m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 352 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b16m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GURU and CYCLONE) maintained close proximity (min 28m, avg 41m) for 352 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_167",
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    "first_point": {
        "ts": "2026-09-17T02:54:38+00:00",
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{
    "radius_m": 73.5,
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{
    "vessel_a": {
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        "imo": 9353096,
        "name": "GURU",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273123620,
        "imo": 9314167,
        "name": "CYCLONE",
        "flag": "RUSSIA"
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    "distance_consistency_m": 4.9000000000000003552713678800500929355621337890625,
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    "speed_b_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
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            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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    },
    "time_window": {
        "start": "2026-09-17T01:56:38+00:00",
        "end": "2026-09-17T08:18:46+00:00"
    },
    "points_count": {
        "vessel_a": 29,
        "vessel_b": 29
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    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 31m, avg 43m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 382 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b15m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GURU and CYCLONE) maintained close proximity (min 31m, avg 43m) for 382 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
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{
    "vessel_a": {
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        "name": "CYCLONE",
        "flag": "RUSSIA"
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    "vessel_b": {
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        "imo": 9353096,
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            "max_sog": 0
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    },
    "time_window": {
        "start": "2026-09-17T00:33:48+00:00",
        "end": "2026-09-17T02:54:38+00:00"
    },
    "points_count": {
        "vessel_a": 10,
        "vessel_b": 10
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 38m, avg 42m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 141 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (CYCLONE and GURU) maintained close proximity (min 38m, avg 42m) for 141 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
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{
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{
    "radius_m": 176.69999999999998863131622783839702606201171875,
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{
    "zone_id": "discovered_167",
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{
    "vessel_a": {
        "mmsi": 273123620,
        "imo": 9314167,
        "name": "CYCLONE",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273129020,
        "imo": 9353096,
        "name": "GURU",
        "flag": "RUSSIA"
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    "speed_b_std": 0,
    "speed_summary": {
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            "max_sog": 0
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    },
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        "end": "2026-09-17T02:54:38+00:00"
    },
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        "vessel_a": 15,
        "vessel_b": 15
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
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                "max": 25,
                "detail": "Min distance 38m, avg 43m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 323 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (CYCLONE and GURU) maintained close proximity (min 38m, avg 43m) for 323 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
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}

{
    "zone_id": "discovered_167",
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{
    "radius_m": 177.599999999999994315658113919198513031005859375,
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{
    "zone_id": "discovered_167",
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{
    "radius_m": 173.5,
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{
    "vessel_a": {
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        "name": "CYCLONE",
        "flag": "RUSSIA"
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        "vessel_b": 19
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    "score": {
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        "components": {
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                "score": 25,
                "max": 25,
                "detail": "Min distance 39m, avg 45m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 394 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b15m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (CYCLONE and GURU) maintained close proximity (min 39m, avg 45m) for 394 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_167",
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{
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{
    "vessel_a": {
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        "end": "2026-09-16T21:59:43+00:00"
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        "vessel_a": 19,
        "vessel_b": 19
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    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 36m, avg 45m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 190 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b16m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (CYCLONE and GURU) maintained close proximity (min 36m, avg 45m) for 190 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 273123620,
        "imo": 9314167,
        "name": "CYCLONE",
        "flag": "RUSSIA"
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    "vessel_b": {
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        "imo": 9353096,
        "name": "GURU",
        "flag": "RUSSIA"
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    "duration_minutes": 291.69999999999998863131622783839702606201171875,
    "overlap_duration_s": 17500,
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    "speed_b_std": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_summary": {
        "vessel_a": {
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            "max_sog": 0.200000000000000011102230246251565404236316680908203125
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        "vessel_b": {
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    },
    "time_window": {
        "start": "2026-09-16T17:08:03+00:00",
        "end": "2026-09-16T21:59:43+00:00"
    },
    "points_count": {
        "vessel_a": 24,
        "vessel_b": 24
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    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 36m, avg 45m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 292 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b15m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (CYCLONE and GURU) maintained close proximity (min 36m, avg 45m) for 292 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
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            "end_ts": "2026-09-16T21:59:43+00:00"
        },
        "searched_at": "2026-09-16T23:45:01.294979+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_167",
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{
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{
    "radius_m": 98,
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        "max_lat": 31.51542500000000046611603465862572193145751953125,
        "max_lon": 32.39865669999999653327904525212943553924560546875
    },
    "zone_id": "discovered_167"
}

{
    "vessel_a": {
        "mmsi": 273129020,
        "imo": 9353096,
        "name": "GURU",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273123620,
        "imo": 9314167,
        "name": "CYCLONE",
        "flag": "RUSSIA"
    },
    "min_distance_m": 13.699999999999999289457264239899814128875732421875,
    "avg_distance_m": 43.7999999999999971578290569595992565155029296875,
    "distance_consistency_m": 11.800000000000000710542735760100185871124267578125,
    "duration_minutes": 73.400000000000005684341886080801486968994140625,
    "overlap_duration_s": 4402,
    "speed_a_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-16T16:35:07+00:00",
        "end": "2026-09-16T17:48:29+00:00"
    },
    "points_count": {
        "vessel_a": 18,
        "vessel_b": 18
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 85,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 14m, avg 44m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 73 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b112m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GURU and CYCLONE) maintained close proximity (min 14m, avg 44m) for 73 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 388.69999999999998863131622783839702606201171875,
    "points_in_zone": 30,
    "first_point": {
        "ts": "2026-09-16T15:30:59+00:00",
        "lat": 31.5149033000000002857632352970540523529052734375,
        "lon": 32.398466700000000173531589098274707794189453125
    },
    "last_point": {
        "ts": "2026-09-16T21:59:43+00:00",
        "lat": 31.51542500000000046611603465862572193145751953125,
        "lon": 32.3972949999999997316990629769861698150634765625
    }
}

{
    "radius_m": 90.2999999999999971578290569595992565155029296875,
    "duration_minutes": 388.69999999999998863131622783839702606201171875,
    "points": 30,
    "centroid": {
        "lat": 31.515097553333337287995163933373987674713134765625,
        "lon": 32.397789393333340512981521897017955780029296875
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    "bbox": {
        "min_lat": 31.514763299999998480416252277791500091552734375,
        "min_lon": 32.3972600000000028330759960226714611053466796875,
        "max_lat": 31.51542500000000046611603465862572193145751953125,
        "max_lon": 32.39865669999999653327904525212943553924560546875
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    "zone_id": "discovered_167"
}

{
    "vessel_a": {
        "mmsi": 273123620,
        "imo": 9314167,
        "name": "CYCLONE",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273129020,
        "imo": 9353096,
        "name": "GURU",
        "flag": "RUSSIA"
    },
    "min_distance_m": 35.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 45.2999999999999971578290569595992565155029296875,
    "distance_consistency_m": 4.79999999999999982236431605997495353221893310546875,
    "duration_minutes": 381.69999999999998863131622783839702606201171875,
    "overlap_duration_s": 22902,
    "speed_a_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_a_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.200000000000000011102230246251565404236316680908203125
        },
        "vessel_b": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-16T15:38:01+00:00",
        "end": "2026-09-16T21:59:43+00:00"
    },
    "points_count": {
        "vessel_a": 29,
        "vessel_b": 29
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 36m, avg 45m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 382 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b15m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (CYCLONE and GURU) maintained close proximity (min 36m, avg 45m) for 382 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 390.8999999999999772626324556767940521240234375,
    "points_in_zone": 32,
    "first_point": {
        "ts": "2026-09-16T14:24:58+00:00",
        "lat": 31.514990000000000947011358221061527729034423828125,
        "lon": 32.3982400000000012596501619555056095123291015625
    },
    "last_point": {
        "ts": "2026-09-16T20:55:50+00:00",
        "lat": 31.5153600000000011505107977427542209625244140625,
        "lon": 32.39732000000000056161297834478318691253662109375
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}

{
    "radius_m": 72.5,
    "duration_minutes": 390.8999999999999772626324556767940521240234375,
    "points": 32,
    "centroid": {
        "lat": 31.51503505000000160407580551691353321075439453125,
        "lon": 32.3979629187499966747054713778197765350341796875
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    "bbox": {
        "min_lat": 31.514763299999998480416252277791500091552734375,
        "min_lon": 32.39732000000000056161297834478318691253662109375,
        "max_lat": 31.5153600000000011505107977427542209625244140625,
        "max_lon": 32.39865669999999653327904525212943553924560546875
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    "zone_id": "discovered_167"
}

{
    "vessel_a": {
        "mmsi": 273129020,
        "imo": 9353096,
        "name": "GURU",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273123620,
        "imo": 9314167,
        "name": "CYCLONE",
        "flag": "RUSSIA"
    },
    "min_distance_m": 40.5,
    "avg_distance_m": 43.2999999999999971578290569595992565155029296875,
    "distance_consistency_m": 2.399999999999999911182158029987476766109466552734375,
    "duration_minutes": 36,
    "overlap_duration_s": 2160,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-16T14:16:16+00:00",
        "end": "2026-09-16T14:52:16+00:00"
    },
    "points_count": {
        "vessel_a": 13,
        "vessel_b": 13
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 40m, avg 43m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 36 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (GURU and CYCLONE) maintained close proximity (min 40m, avg 43m) for 36 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.515006199999998415250956895761191844940185546875,
            "lon": 32.398533700000001545049599371850490570068359375
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        "time_window": {
            "start_ts": "2026-09-16T14:16:16+00:00",
            "end_ts": "2026-09-16T14:52:16+00:00"
        },
        "searched_at": "2026-09-16T15:15:01.950783+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "vessel_a": {
        "mmsi": 273123620,
        "imo": 9314167,
        "name": "CYCLONE",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273129020,
        "imo": 9353096,
        "name": "GURU",
        "flag": "RUSSIA"
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    "min_distance_m": 35.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 44.10000000000000142108547152020037174224853515625,
    "distance_consistency_m": 4,
    "duration_minutes": 370,
    "overlap_duration_s": 22198,
    "speed_a_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_a_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_avg": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.200000000000000011102230246251565404236316680908203125
        },
        "vessel_b": {
            "avg_sog": 0.0200000000000000004163336342344337026588618755340576171875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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    },
    "time_window": {
        "start": "2026-09-16T13:25:02+00:00",
        "end": "2026-09-16T19:35:00+00:00"
    },
    "points_count": {
        "vessel_a": 26,
        "vessel_b": 26
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 36m, avg 44m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 370 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (CYCLONE and GURU) maintained close proximity (min 36m, avg 44m) for 370 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.5149897000000009938958100974559783935546875,
            "lon": 32.39836480000000307200025417841970920562744140625
        },
        "time_window": {
            "start_ts": "2026-09-16T13:02:05+00:00",
            "end_ts": "2026-09-16T19:35:00+00:00"
        },
        "searched_at": "2026-09-16T19:45:01.526812+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 384,
    "points_in_zone": 31,
    "first_point": {
        "ts": "2026-09-16T13:39:59+00:00",
        "lat": 31.515229999999998966586645110510289669036865234375,
        "lon": 32.39771669999999659239620086736977100372314453125
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    "last_point": {
        "ts": "2026-09-16T20:03:58+00:00",
        "lat": 31.515248299999999659348759450949728488922119140625,
        "lon": 32.39750670000000098980308393947780132293701171875
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}

{
    "radius_m": 69.900000000000005684341886080801486968994140625,
    "duration_minutes": 384,
    "points": 31,
    "centroid": {
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        "lon": 32.39798822903225783420566585846245288848876953125
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        "max_lon": 32.39865669999999653327904525212943553924560546875
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    "zone_id": "discovered_167"
}

{
    "vessel_a": {
        "mmsi": 273123620,
        "imo": 9314167,
        "name": "CYCLONE",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273129020,
        "imo": 9353096,
        "name": "GURU",
        "flag": "RUSSIA"
    },
    "min_distance_m": 35.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 44.10000000000000142108547152020037174224853515625,
    "distance_consistency_m": 3.899999999999999911182158029987476766109466552734375,
    "duration_minutes": 385.80000000000001136868377216160297393798828125,
    "overlap_duration_s": 23150,
    "speed_a_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_a_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_avg": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
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            "max_sog": 0.200000000000000011102230246251565404236316680908203125
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        "vessel_b": {
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            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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    },
    "time_window": {
        "start": "2026-09-16T12:43:09+00:00",
        "end": "2026-09-16T19:08:59+00:00"
    },
    "points_count": {
        "vessel_a": 26,
        "vessel_b": 26
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 36m, avg 44m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 386 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (CYCLONE and GURU) maintained close proximity (min 36m, avg 44m) for 386 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 390.8999999999999772626324556767940521240234375,
    "points_in_zone": 27,
    "first_point": {
        "ts": "2026-09-16T12:52:07+00:00",
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    "last_point": {
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        "lat": 31.51528499999999866076905163936316967010498046875,
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}

{
    "radius_m": 82.7999999999999971578290569595992565155029296875,
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{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 391.8999999999999772626324556767940521240234375,
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    "first_point": {
        "ts": "2026-09-16T11:10:10+00:00",
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        "lon": 32.39773170000000135360096464864909648895263671875
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        "ts": "2026-09-16T17:42:03+00:00",
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}

{
    "radius_m": 54.89999999999999857891452847979962825775146484375,
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        "min_lat": 31.514763299999998480416252277791500091552734375,
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        "max_lon": 32.39865669999999653327904525212943553924560546875
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{
    "vessel_a": {
        "mmsi": 273129020,
        "imo": 9353096,
        "name": "GURU",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273123620,
        "imo": 9314167,
        "name": "CYCLONE",
        "flag": "RUSSIA"
    },
    "min_distance_m": 32.7999999999999971578290569595992565155029296875,
    "avg_distance_m": 45.2999999999999971578290569595992565155029296875,
    "distance_consistency_m": 5.20000000000000017763568394002504646778106689453125,
    "duration_minutes": 167.69999999999998863131622783839702606201171875,
    "overlap_duration_s": 10059,
    "speed_a_avg": 0,
    "speed_a_std": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-16T11:01:09+00:00",
        "end": "2026-09-16T13:48:48+00:00"
    },
    "points_count": {
        "vessel_a": 36,
        "vessel_b": 36
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 33m, avg 45m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 168 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b15m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GURU and CYCLONE) maintained close proximity (min 33m, avg 45m) for 168 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.5151867000000009966242942027747631072998046875,
            "lon": 32.39809439999999796100382809527218341827392578125
        },
        "time_window": {
            "start_ts": "2026-09-16T11:01:09+00:00",
            "end_ts": "2026-09-16T13:48:48+00:00"
        },
        "searched_at": "2026-09-16T17:30:01.716276+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 387.80000000000001136868377216160297393798828125,
    "points_in_zone": 31,
    "first_point": {
        "ts": "2026-09-16T10:58:11+00:00",
        "lat": 31.5153150000000010777512216009199619293212890625,
        "lon": 32.3976516999999972767909639514982700347900390625
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    "last_point": {
        "ts": "2026-09-16T17:26:01+00:00",
        "lat": 31.514831699999998448902260861359536647796630859375,
        "lon": 32.39843170000000327490852214395999908447265625
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}

{
    "radius_m": 60.2000000000000028421709430404007434844970703125,
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    "zone_id": "discovered_167"
}

{
    "vessel_a": {
        "mmsi": 273129020,
        "imo": 9353096,
        "name": "GURU",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273123620,
        "imo": 9314167,
        "name": "CYCLONE",
        "flag": "RUSSIA"
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    "min_distance_m": 32.7999999999999971578290569595992565155029296875,
    "avg_distance_m": 45.2000000000000028421709430404007434844970703125,
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    "duration_minutes": 194.5,
    "overlap_duration_s": 11668,
    "speed_a_avg": 0,
    "speed_a_std": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-16T10:34:20+00:00",
        "end": "2026-09-16T13:48:48+00:00"
    },
    "points_count": {
        "vessel_a": 40,
        "vessel_b": 40
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 33m, avg 45m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 194 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b15m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GURU and CYCLONE) maintained close proximity (min 33m, avg 45m) for 194 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 273123620,
        "imo": 9314167,
        "name": "CYCLONE",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273129020,
        "imo": 9353096,
        "name": "GURU",
        "flag": "RUSSIA"
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    "min_distance_m": 41.60000000000000142108547152020037174224853515625,
    "avg_distance_m": 44.39999999999999857891452847979962825775146484375,
    "distance_consistency_m": 2.600000000000000088817841970012523233890533447265625,
    "duration_minutes": 128.900000000000005684341886080801486968994140625,
    "overlap_duration_s": 7736,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-16T09:58:14+00:00",
        "end": "2026-09-16T12:07:10+00:00"
    },
    "points_count": {
        "vessel_a": 9,
        "vessel_b": 9
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 42m, avg 44m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 129 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (CYCLONE and GURU) maintained close proximity (min 42m, avg 44m) for 129 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_167",
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    "radius_m": 52.89999999999999857891452847979962825775146484375,
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{
    "zone_id": "discovered_167",
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{
    "zone_id": "discovered_167",
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