Strong mag. 6.1 earthquake - Halmahera, Indonesia, on Monday, 7 November 1983 at 08:39 (GMT)

Strong mag. 6.1 earthquake - Halmahera, Indonesia, on Monday, 7 November 1983 at 08:39 (GMT)

Strong magnitude 6.1 earthquake at 31 km depth

Date & time: 7 Nov 1983 08:39:20 UTC
Magnitude: 6.1
Profondeur: 31.3 km
Epicenter latitude / longitude: 1.411°N / 128.164°E (Indonésie)
Volcan le plus près: Dukono (44 km / 27 mi)
Nearby towns and cities:
39 km SSE de Tobelo (Kabupaten Halmahera Utara) (pop: 10,000) --> Voir les séismes à proximité!
101 km NE de Sofifi (Kota Tidore Kepulauan) (pop: 36,200) --> Voir les séismes à proximité!
111 km NE de Ternate (pop: 101,700) --> Voir les séismes à proximité!
331 km E de Bitung (pop: 137,400) --> Voir les séismes à proximité!
355 km E de Laikit, Laikit II (Dimembe) (Kabupaten Minahasa Utara) (pop: 8,000) --> Voir les séismes à proximité!
362 km E de Tondano (Kabupaten Minahasa) (pop: 33,300) --> Voir les séismes à proximité!
369 km E de Manado (pop: 451,900) --> Voir les séismes à proximité!
374 km E de Tomohon (pop: 27,600) --> Voir les séismes à proximité!
428 km NO de Sorong (pop: 125,500) --> Voir les séismes à proximité!
2515 km ENE de Jakarta (pop: 8,540,100) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 atomic bombs!) More info
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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.
MagnitudeProfondeurLocationSource
M 6.131 kmHalmahera, IndonesiaUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
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Aftershocks of the 6.1 quake Halmahera, Indonesia, 7 November 1983 08:39 GMT

More info
Recorded aftershocks, latest first (17 quakes):
  • 04 Jan 1984 02:42 UTC
    | M 5.7 |
    44.1 km (27.4 mi) depth
    |
    3 km (2 mi) distance
    | USGS | Details
  • 09 Nov 1983 02:36 UTC
    | M 5.0 |
    40.7 km (25.3 mi) depth
    |
    15 km (9 mi) distance
    | USGS | Details
  • 08 Nov 1983 21:53 UTC
    | M 5.4 |
    53.7 km (33.4 mi) depth
    |
    9 km (6 mi) distance
    | USGS | Details
  • 08 Nov 1983 04:40 UTC
    | M 5.0 |
    37.7 km (23.4 mi) depth
    |
    10 km (7 mi) distance
    | USGS | Details
  • 07 Nov 1983 22:25 UTC
    | M 5.1 |
    34.5 km (21.4 mi) depth
    |
    15 km (9 mi) distance
    | USGS | Details
  • 07 Nov 1983 22:09 UTC
    | M 5.0 |
    50.3 km (31.3 mi) depth
    |
    26 km (16 mi) distance
    | USGS | Details
  • 07 Nov 1983 21:44 UTC
    | M 5.0 |
    44 km (27.3 mi) depth
    |
    27 km (16 mi) distance
    | USGS | Details
  • 07 Nov 1983 20:12 UTC
    | M 5.6 |
    36.7 km (22.8 mi) depth
    |
    12 km (7 mi) distance
    | USGS | Details
  • 07 Nov 1983 19:05 UTC
    | M 5.3 |
    42.4 km (26.3 mi) depth
    |
    6 km (4 mi) distance
    | USGS | Details
  • 07 Nov 1983 18:17 UTC
    | M 5.2 |
    58.5 km (36.4 mi) depth
    |
    10 km (6 mi) distance
    | USGS | Details
  • 07 Nov 1983 16:46 UTC
    | M 5.5 |
    56.8 km (35.3 mi) depth
    |
    3 km (2 mi) distance
    | USGS | Details
  • 07 Nov 1983 16:26 UTC
    | M 6.4 |
    39 km (24.2 mi) depth
    |
    1 km (1 mi) distance
    | USGS | Strong mag. 6.4 earthquake - Halmahera, Indonesia, on Monday, 7 November 1983 at 16:26 (GMT)
  • 07 Nov 1983 14:51 UTC
    | M 5.1 |
    66.6 km (41.4 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 07 Nov 1983 11:38 UTC
    | M 5.1 |
    40.8 km (25.4 mi) depth
    |
    17 km (10 mi) distance
    | USGS | Details
  • 07 Nov 1983 11:17 UTC
    | M 5.2 |
    49.8 km (30.9 mi) depth
    |
    0 km (0 mi) distance
    | USGS | Details
  • 07 Nov 1983 09:35 UTC
    | M 5.1 |
    64.1 km (39.8 mi) depth
    |
    19 km (12 mi) distance
    | USGS | Details
  • 07 Nov 1983 08:42 UTC
    | M 6.6 |
    59.4 km (36.9 mi) depth
    |
    25 km (15 mi) distance
    | USGS | Strong mag. 6.6 earthquake - Halmahera, Indonesia, on Monday, 7 November 1983 at 08:42 (GMT)

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Earlier earthquakes in the same area

Strong mag. 6.1 earthquake - Halmahera, Indonesia, on Monday, 7 November 1983 at 08:39 (GMT)
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