Moderate mag. 5.1 earthquake - Halmahera, Indonesia, on Monday, 7 November 1983 at 22:25 (GMT)

Moderate mag. 5.1 earthquake - Halmahera, Indonesia, on Monday, 7 November 1983 at 22:25 (GMT)

Moderate magnitude 5.1 earthquake at 35 km depth

Date & time: 7 Nov 1983 22:25:36 UTC
Magnitude: 5.1
Depth: 34.5 km
Epicenter latitude / longitude: 1.341°N / 128.276°E (Indonesia)
Nearest volcano: Dukono (58 km / 36 mi)
Nearby towns and cities:
52 km (32 mi) SE of Tobelo (Kabupaten Halmahera Utara) (pop: 10,000) --> See nearby quakes!
104 km (65 mi) NE of Sofifi (Kota Tidore Kepulauan) (pop: 36,200) --> See nearby quakes!
117 km (72 mi) ENE of Ternate (pop: 101,700) --> See nearby quakes!
343 km (213 mi) E of Bitung (pop: 137,400) --> See nearby quakes!
367 km (228 mi) E of Laikit, Laikit II (Dimembe) (Kabupaten Minahasa Utara) (pop: 8,000) --> See nearby quakes!
374 km (232 mi) E of Tondano (Kabupaten Minahasa) (pop: 33,300) --> See nearby quakes!
381 km (237 mi) E of Manado (pop: 451,900) --> See nearby quakes!
386 km (240 mi) E of Tomohon (pop: 27,600) --> See nearby quakes!
414 km (257 mi) NW of Sorong (pop: 125,500) --> See nearby quakes!
2524 km (1568 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 5.135 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 22:25 GMT

More info
Recorded aftershocks, latest first (4 quakes):
  • 04 Jan 1984 20:07 UTC
    | M 4.2 |
    33 km (20.5 mi) depth
    |
    13 km (8 mi) distance
    | USGS | Details
  • 09 Nov 1983 02:36 UTC
    | M 5.0 |
    40.7 km (25.3 mi) depth
    |
    9 km (5 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
    |
    7 km (4 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 22:25 (GMT)
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