Moderate mag. 5.1 earthquake - Philippines Sea, 63 km north of Gura Tabailenge Island, Maluku Utara, Indonesia, on Wednesday, 29 July 1987 at 21:15 (GMT)
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Moderate magnitude 5.1 earthquake at 213 km depth
Date & time: 29 Jul 1987 21:15:00 UTC
Depth: 213.1 km
Epicenter latitude / longitude: 2.945°N / 128.612°E (Philippines Sea, Indonesia)
Nearest volcano: Tarakan (151 km / 94 mi)
Nearby towns and cities:
151 km (94 mi) NNE of Tobelo (Kabupaten Halmahera Utara) (pop: 10,000) --> See nearby quakes!
272 km (169 mi) NNE of Sofifi (Kota Tidore Kepulauan) (pop: 36,200) --> See nearby quakes!
276 km (171 mi) NNE of Ternate (pop: 101,700) --> See nearby quakes!
415 km (258 mi) ENE of Bitung (pop: 137,400) --> See nearby quakes!
449 km (279 mi) ENE of Manado (pop: 451,900) --> See nearby quakes!
450 km (279 mi) ENE of Tondano (Kabupaten Minahasa) (pop: 33,300) --> See nearby quakes!
460 km (286 mi) ENE of Tomohon (pop: 27,600) --> See nearby quakes!
517 km (322 mi) NW of Sorong (pop: 125,500) --> See nearby quakes!
519 km (322 mi) SSE of Mati (Philippines) (pop: 105,900) --> See nearby quakes!
519 km (323 mi) SE of General Santos City (Philippines) (pop: 679,600) --> 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
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.
|5.1||213 km||Halmahera, Indonesia||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!
More infoRecorded aftershocks, latest first (2 quakes):
- 14 Aug 1987 21:36 UTC| M 4.5 |33 km (20.5 mi) depth|20 km (12 mi) distance| USGS | Details
- 04 Aug 1987 19:13 UTC| M 4.5 |228.5 km (142 mi) depth|16 km (10 mi) distance| USGS | Details