Moderate mag. 5.0 earthquake - Halmahera, Indonesia, on Wednesday, 9 November 1983 at 02:36 (GMT)

Moderate mag. 5.0 earthquake - Halmahera, Indonesia, on Wednesday, 9 November 1983 at 02:36 (GMT)

Moderate magnitude 5.0 earthquake at 41 km depth

Date & time: 9 Nov 1983 02:36:41 UTC
Magnitude: 5
Depth: 40.7 km
Epicenter latitude / longitude: 1.418°N / 128.295°E (Indonesia)
Nearest volcano: Dukono (55 km / 34 mi)
Nearby towns and cities:
47 km (29 mi) SE of Tobelo (Kabupaten Halmahera Utara) (pop: 10,000) --> See nearby quakes!
112 km (69 mi) NE of Sofifi (Kota Tidore Kepulauan) (pop: 36,200) --> See nearby quakes!
123 km (76 mi) NE of Ternate (pop: 101,700) --> See nearby quakes!
345 km (215 mi) E of Bitung (pop: 137,400) --> See nearby quakes!
369 km (229 mi) E of Laikit, Laikit II (Dimembe) (Kabupaten Minahasa Utara) (pop: 8,000) --> See nearby quakes!
376 km (234 mi) E of Tondano (Kabupaten Minahasa) (pop: 33,300) --> See nearby quakes!
383 km (238 mi) E of Manado (pop: 451,900) --> See nearby quakes!
388 km (241 mi) E of Tomohon (pop: 27,600) --> See nearby quakes!
417 km (259 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 x 1012 joules (554 megawatt hours, equivalent to 477 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 5.041 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 5.0 quake Halmahera, Indonesia, 9 November 1983 02:36 GMT

More info
Recorded aftershocks, latest first (2 quakes):
  • 04 Jan 1984 20:07 UTC
    | M 4.2 |
    33 km (20.5 mi) depth
    |
    12 km (8 mi) distance
    | USGS | Details
  • 04 Jan 1984 02:42 UTC
    | M 5.7 |
    44.1 km (27.4 mi) depth
    |
    17 km (11 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

Moderate mag. 5.0 earthquake - Halmahera, Indonesia, on Wednesday, 9 November 1983 at 02:36 (GMT)
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