Strong mag. 6.4 earthquake - Banda Sea, 13 km west of Pulau Romang Island, Maluku, Indonesia, on Monday, December 12, 1983 at 09:26 (GMT)

Strong mag. 6.4 earthquake - Banda Sea, 13 km west of Pulau Romang Island, Maluku, Indonesia, on Monday, December 12, 1983 at 09:26 (GMT)

Strong magnitude 6.4 earthquake at 137 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Dec 12, 1983 09:26:07 UTC
Magnitude: 6.4
Depth: 136.9 km
Epicenter latitude / longitude: 7.583°S / 127.288°E (Banda Sea, Indonesia)
Antipode: 7.583°N / 52.712°W
Nearest volcano: Gunung Api Wetar (126 km / 78 mi)
Nearby towns and cities:
109 km (68 mi) NNE of Lospalos (Timor-Leste) (pop: 17,200) --> See nearby quakes!
135 km (84 mi) NE of Baucau (Timor-Leste) (pop: 16,000) --> See nearby quakes!
155 km (96 mi) NE of Venilale (Timor-Leste) (pop: 16,000) --> See nearby quakes!
218 km (135 mi) ENE of Delhi (Timor-Leste) (pop: 150,000) --> See nearby quakes!
228 km (142 mi) NE of Aileu (Timor-Leste) (pop: 17,400) --> See nearby quakes!
313 km (195 mi) ENE of Atambua (Kabupaten Belu) (pop: 35,800) --> See nearby quakes!
372 km (231 mi) NE of Kefamenanu (Kabupaten Timor Tengah Utara) (pop: 29,500) --> See nearby quakes!
416 km (259 mi) NE of Soe (Kabupaten Timor Tengah Selatan) (pop: 27,700) --> See nearby quakes!
444 km (276 mi) SSW of Ambon City (pop: 355,600) --> See nearby quakes!
496 km (308 mi) NE of Kupang (pop: 282,400) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 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.
Mag.DepthLocationSource
6.4137 kmKepulauan Barat Daya, 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

More info

Recorded aftershocks, latest first (7 quakes)

  • 08 May 1984 02:33 UTC
    | M 4.6 |
    171.5 km (106.6 mi) depth
    |
    41 km (25 mi) distance
    | USGS | Details
  • 12 Apr 1984 04:20 UTC
    | M 4.6 |
    378.2 km (235 mi) depth
    |
    51 km (32 mi) distance
    | USGS | Details
  • 26 Mar 1984 04:22 UTC
    | M 4.6 |
    164.9 km (102.5 mi) depth
    |
    60 km (38 mi) distance
    | USGS | Details
  • 23 Mar 1984 13:32 UTC
    | M 4.7 |
    296.6 km (184.3 mi) depth
    |
    92 km (57 mi) distance
    | USGS | Details
  • 05 Mar 1984 20:44 UTC
    | M 4.8 |
    187.2 km (116.3 mi) depth
    |
    94 km (58 mi) distance
    | USGS | Details
  • 02 Mar 1984 04:22 UTC
    | M 4.8 |
    107.3 km (66.7 mi) depth
    |
    18 km (11 mi) distance
    | USGS | Details
  • 04 Feb 1984 08:37 UTC
    | M 5.3 |
    175.7 km (109.2 mi) depth
    |
    40 km (25 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

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