Moderate mag. 5.5 earthquake - Halmahera Sea, 38 km south of Pulau Kokara Kecil Island, Maluku Utara, Indonesia, on Monday, 7 November 1983 at 16:46 (GMT)
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Séisme modéré magnitude 5.5 at 57 km depth
Date & time: 7 Nov 1983 16:46:14 UTC
Magnitude: 5.5
Profondeur: 56.8 km
Epicenter latitude / longitude: 1.404°N / 128.137°E

Volcan le plus près: Dukono (42 km / 26 mi)
Nearby towns and cities:
39 km SSE de Tobelo (Kabupaten Halmahera Utara) (pop: 10,000) --> Voir les séismes à proximité!
98 km NE de Sofifi (Kota Tidore Kepulauan) (pop: 36,200) --> Voir les séismes à proximité!
108 km NE de Ternate (pop: 101,700) --> Voir les séismes à proximité!
328 km E de Bitung (pop: 137,400) --> Voir les séismes à proximité!
352 km E de Laikit, Laikit II (Dimembe) (Kabupaten Minahasa Utara) (pop: 8,000) --> Voir les séismes à proximité!
359 km E de Tondano (Kabupaten Minahasa) (pop: 33,300) --> Voir les séismes à proximité!
366 km E de Manado (pop: 451,900) --> Voir les séismes à proximité!
371 km E de Tomohon (pop: 27,600) --> Voir les séismes à proximité!
430 km NO de Sorong (pop: 125,500) --> Voir les séismes à proximité!
535 km SE de Sarangani (Davao del Sur, Philippines) (pop: 7,510) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.1 x 1013 joules (3.12 gigawatt hours, equivalent to 2682 tons of TNT or 0.2 atomic bombs!) More info
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Magnitude | Profondeur | Location | Source |
M 5.5 | 57 km | Halmahera, Indonesia | USGS |
User reports for this quake
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Recorded aftershocks, latest first (11 quakes):- 04 Jan 1984 02:42 UTC| M 5.7 |44.1 km (27.4 mi) depth|2 km (1 mi) distance| USGS | Details
- 14 Nov 1983 18:55 UTC| M 4.9 |57.3 km (35.6 mi) depth|12 km (7 mi) distance| USGS | Details
- 09 Nov 1983 02:36 UTC| M 5.0 |40.7 km (25.3 mi) depth|18 km (11 mi) distance| USGS | Details
- 08 Nov 1983 21:53 UTC| M 5.4 |53.7 km (33.4 mi) depth|12 km (8 mi) distance| USGS | Details
- 08 Nov 1983 04:40 UTC| M 5.0 |37.7 km (23.4 mi) depth|13 km (8 mi) distance| USGS | Details
- 08 Nov 1983 01:19 UTC| M 4.6 |33 km (20.5 mi) depth|8 km (5 mi) distance| USGS | Details
- 07 Nov 1983 22:25 UTC| M 5.1 |34.5 km (21.4 mi) depth|17 km (11 mi) distance| USGS | Details
- 07 Nov 1983 21:44 UTC| M 5.0 |44 km (27.3 mi) depth|24 km (15 mi) distance| USGS | Details
- 07 Nov 1983 20:12 UTC| M 5.6 |36.7 km (22.8 mi) depth|15 km (9 mi) distance| USGS | Details
- 07 Nov 1983 19:05 UTC| M 5.3 |42.4 km (26.3 mi) depth|4 km (2 mi) distance| USGS | Details
- 07 Nov 1983 18:17 UTC| M 5.2 |58.5 km (36.4 mi) depth|12 km (8 mi) distance| USGS | Details
Earlier earthquakes in the same area
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