Moderate mag. 5.1 earthquake - Halmahera, Indonesia, on Monday, 7 November 1983 at 11:38 (GMT)

Moderate mag. 5.1 earthquake - Halmahera, Indonesia, on Monday, 7 November 1983 at 11:38 (GMT)

Moderate magnitude 5.1 earthquake at 41 km depth

Date & time: 7 Nov 1983 11:38:50 UTC
Magnitude: 5.1
Depth: 40.8 km
Epicenter latitude / longitude: 1.382°N / 128.311°E (Indonesia)
Nearest volcano: Dukono (58 km / 36 mi)
Nearby towns and cities:
51 km (32 mi) SE of Tobelo (Kabupaten Halmahera Utara) (pop: 10,000) --> See nearby quakes!
110 km (68 mi) NE of Sofifi (Kota Tidore Kepulauan) (pop: 36,200) --> See nearby quakes!
122 km (76 mi) ENE of Ternate (pop: 101,700) --> See nearby quakes!
347 km (216 mi) E of Bitung (pop: 137,400) --> See nearby quakes!
371 km (231 mi) E of Laikit, Laikit II (Dimembe) (Kabupaten Minahasa Utara) (pop: 8,000) --> See nearby quakes!
378 km (235 mi) E of Tondano (Kabupaten Minahasa) (pop: 33,300) --> See nearby quakes!
385 km (239 mi) E of Manado (pop: 451,900) --> See nearby quakes!
390 km (242 mi) E of Tomohon (pop: 27,600) --> See nearby quakes!
413 km (257 mi) NW of Sorong (pop: 125,500) --> See nearby quakes!
2529 km (1571 mi) ENE of Jakarta (pop: 8,540,100) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.8 x 1012 joules (783 megawatt hours, equivalent to 674 tons of TNT) 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.
MagnitudeDepthLocationSource
M 5.141 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 5.1 quake Halmahera, Indonesia, 7 November 1983 11:38 GMT

More info
Recorded aftershocks, latest first (14 quakes):
  • 04 Jan 1984 20:07 UTC
    | M 4.2 |
    33 km (20.5 mi) depth
    |
    9 km (5 mi) distance
    | USGS | Details
  • 04 Jan 1984 02:42 UTC
    | M 5.7 |
    44.1 km (27.4 mi) depth
    |
    18 km (11 mi) distance
    | USGS | Details
  • 10 Nov 1983 02:52 UTC
    | M 4.9 |
    38.6 km (24 mi) depth
    |
    17 km (11 mi) distance
    | USGS | Details
  • 09 Nov 1983 02:36 UTC
    | M 5.0 |
    40.7 km (25.3 mi) depth
    |
    4 km (3 mi) distance
    | USGS | Details
  • 08 Nov 1983 21:53 UTC
    | M 5.4 |
    53.7 km (33.4 mi) depth
    |
    8 km (5 mi) distance
    | USGS | Details
  • 08 Nov 1983 04:40 UTC
    | M 5.0 |
    37.7 km (23.4 mi) depth
    |
    6 km (4 mi) distance
    | USGS | Details
  • 08 Nov 1983 01:19 UTC
    | M 4.6 |
    33 km (20.5 mi) depth
    |
    18 km (11 mi) distance
    | USGS | Details
  • 07 Nov 1983 22:25 UTC
    | M 5.1 |
    34.5 km (21.4 mi) depth
    |
    6 km (4 mi) distance
    | USGS | Details
  • 07 Nov 1983 22:09 UTC
    | M 5.0 |
    50.3 km (31.3 mi) depth
    |
    19 km (12 mi) distance
    | USGS | Details
  • 07 Nov 1983 20:12 UTC
    | M 5.6 |
    36.7 km (22.8 mi) depth
    |
    7 km (4 mi) distance
    | USGS | Details
  • 07 Nov 1983 18:17 UTC
    | M 5.2 |
    58.5 km (36.4 mi) depth
    |
    17 km (11 mi) distance
    | USGS | Details
  • 07 Nov 1983 16:46 UTC
    | M 5.5 |
    56.8 km (35.3 mi) depth
    |
    20 km (12 mi) distance
    | USGS | Details
  • 07 Nov 1983 16:26 UTC
    | M 6.4 |
    39 km (24.2 mi) depth
    |
    18 km (11 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
    |
    19 km (12 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

Moderate mag. 5.1 earthquake - Halmahera, Indonesia, on Monday, 7 November 1983 at 11:38 (GMT)
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