Moderate mag. 5.1 earthquake - Halmahera, Indonesia, on Monday, 7 November 1983 at 09:35 (GMT)

Moderate mag. 5.1 earthquake - Halmahera, Indonesia, on Monday, 7 November 1983 at 09:35 (GMT)

Moderate magnitude 5.1 earthquake at 64 km depth

Date & time: 7 Nov 1983 09:35:40 UTC
Magnitude: 5.1
Depth: 64.1 km
Epicenter latitude / longitude: 1.314°N / 128.023°E (Indonesia)
Nearest volcano: Hamiding (41 km / 25 mi)
Nearby towns and cities:
46 km (29 mi) S of Tobelo (Kabupaten Halmahera Utara) (pop: 10,000) --> See nearby quakes!
82 km (51 mi) NE of Sofifi (Kota Tidore Kepulauan) (pop: 36,200) --> See nearby quakes!
92 km (57 mi) NE of Ternate (pop: 101,700) --> See nearby quakes!
315 km (196 mi) E of Bitung (pop: 137,400) --> See nearby quakes!
340 km (211 mi) E of Laikit, Laikit II (Dimembe) (Kabupaten Minahasa Utara) (pop: 8,000) --> See nearby quakes!
346 km (215 mi) E of Tondano (Kabupaten Minahasa) (pop: 33,300) --> See nearby quakes!
353 km (220 mi) E of Manado (pop: 451,900) --> See nearby quakes!
358 km (222 mi) E of Tomohon (pop: 27,600) --> See nearby quakes!
435 km (270 mi) NW of Sorong (pop: 125,500) --> See nearby quakes!
2496 km (1551 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 5.164 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 09:35 GMT

More info
Recorded aftershocks, latest first (8 quakes):
  • 04 Jan 1984 02:42 UTC
    | M 5.7 |
    44.1 km (27.4 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 14 Nov 1983 18:55 UTC
    | M 4.9 |
    57.3 km (35.6 mi) depth
    |
    11 km (7 mi) distance
    | USGS | Details
  • 07 Nov 1983 21:44 UTC
    | M 5.0 |
    44 km (27.3 mi) depth
    |
    11 km (7 mi) distance
    | USGS | Details
  • 07 Nov 1983 19:05 UTC
    | M 5.3 |
    42.4 km (26.3 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 07 Nov 1983 16:46 UTC
    | M 5.5 |
    56.8 km (35.3 mi) depth
    |
    16 km (10 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
  • 07 Nov 1983 11:17 UTC
    | M 5.2 |
    49.8 km (30.9 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 09:35 (GMT)
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