Moderate mag. 5.0 earthquake - Philippines Sea, 82 km north of Pulau Tuanane Island, Maluku Utara, Indonesia, on Friday, 25 September 1987 at 17:01 (GMT)

Moderate mag. 5.0 earthquake - Philippines Sea, 82 km north of Pulau Tuanane Island, Maluku Utara, Indonesia, on Friday, 25 September 1987 at 17:01 (GMT)

Moderate magnitude 5.0 earthquake at 91 km depth

Date & time: 25 Sep 1987 17:01:26 UTC
Magnitude: 5
Depth: 91.4 km
Epicenter latitude / longitude: 3.145°N / 128.257°E (Philippines Sea, Indonesia)
Nearest volcano: Tarakan (154 km / 96 mi)
Nearby towns and cities:
160 km (99 mi) N of Tobelo (Kabupaten Halmahera Utara) (pop: 10,000) --> See nearby quakes!
279 km (173 mi) NNE of Sofifi (Kota Tidore Kepulauan) (pop: 36,200) --> See nearby quakes!
279 km (174 mi) NNE of Ternate (pop: 101,700) --> See nearby quakes!
389 km (242 mi) ENE of Bitung (pop: 137,400) --> See nearby quakes!
421 km (262 mi) ENE of Manado (pop: 451,900) --> See nearby quakes!
424 km (264 mi) ENE of Tondano (Kabupaten Minahasa) (pop: 33,300) --> See nearby quakes!
434 km (270 mi) ENE of Tomohon (pop: 27,600) --> See nearby quakes!
475 km (295 mi) SE of General Santos (Philippines) (pop: 679,600) --> See nearby quakes!
492 km (306 mi) SE of Polomolok (Philippines) (pop: 64,000) --> See nearby quakes!
531 km (330 mi) SE of Koronadal City (Philippines) (pop: 125,500) --> 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 5.091 kmnorth of Halmahera, 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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Aftershocks

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Recorded aftershocks, latest first (0 quakes):
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Earlier earthquakes in the same area

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