Light mag. 4.1 earthquake - Halmahera Sea, 60 km southeast of Pulau Bokuboku Island, Maluku Utara, Indonesia, on Monday, 21 January 1985 at 04:25 (GMT)

Light mag. 4.1 earthquake - Halmahera Sea, 60 km southeast of Pulau Bokuboku Island, Maluku Utara, Indonesia, on Monday, 21 January 1985 at 04:25 (GMT)

Light magnitude 4.1 earthquake at 33 km depth

Date & time: 21 Jan 1985 04:25:39 UTC
Magnitude: 4.1
Depth: 33.0 km
Epicenter latitude / longitude: 0.976°S / 129.017°E (Halmahera Sea, Indonesia)
Nearest volcano: Bibinoi (146 km / 91 mi)
Nearby towns and cities:
250 km (155 mi) W of Sorong (pop: 125,500) --> See nearby quakes!
250 km (155 mi) SE of Sofifi (Kota Tidore Kepulauan) (pop: 36,200) --> See nearby quakes!
263 km (164 mi) N of Amahai (pop: 47,700) --> See nearby quakes!
268 km (166 mi) SE of Ternate (pop: 101,700) --> See nearby quakes!
316 km (197 mi) NNE of Ambon City (pop: 355,600) --> See nearby quakes!
321 km (199 mi) SSE of Tobelo (Kabupaten Halmahera Utara) (pop: 10,000) --> See nearby quakes!
504 km (313 mi) ESE of Bitung (pop: 137,400) --> See nearby quakes!
522 km (325 mi) ESE of Tondano (Kabupaten Minahasa) (pop: 33,300) --> See nearby quakes!
533 km (331 mi) ESE of Tomohon (pop: 27,600) --> See nearby quakes!
538 km (334 mi) ESE of Manado (pop: 451,900) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 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 4.133 kmHalmahera, IndonesiaUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

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