Strong mag. 6.3 earthquake - Philippines Sea, 297 km north of Ternate, Maluku Utara, Indonesia, on Thursday, 20 February 1969 at 10:30 (GMT)
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Strong magnitude 6.3 earthquake at 55 km depth
Date & time: 20 Feb 1969 10:30:21 UTC
Depth: 55.0 km
Epicenter latitude / longitude: 3.337°N / 128.176°E (Philippines Sea, Indonesia)
Nearest volcano: Tarakan (172 km / 107 mi)
Nearby towns and cities:
180 km (112 mi) N of Tobelo (Kabupaten Halmahera Utara) (pop: 10,000) --> See nearby quakes!
297 km (184 mi) NNE of Ternate (pop: 101,700) --> See nearby quakes!
297 km (185 mi) NNE of Sofifi (Kota Tidore Kepulauan) (pop: 36,200) --> See nearby quakes!
392 km (244 mi) ENE of Bitung (pop: 137,400) --> See nearby quakes!
423 km (263 mi) ENE of Manado (pop: 451,900) --> See nearby quakes!
427 km (266 mi) ENE of Tondano (Kabupaten Minahasa) (pop: 33,300) --> See nearby quakes!
437 km (272 mi) ENE of Tomohon (pop: 27,600) --> See nearby quakes!
454 km (282 mi) SE of General Santos (Philippines) (pop: 679,600) --> See nearby quakes!
457 km (284 mi) SSE of Mati (Philippines) (pop: 105,900) --> See nearby quakes!
492 km (305 mi) SE of Digos (Philippines) (pop: 116,100) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 atomic bombs!) 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.
|M 6.3||55 km||north of Halmahera, Indonesia||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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More infoRecorded aftershocks, latest first (2 quakes):
- 27 Mar 1969 04:46 UTC| M 6.0 |15 km (9.3 mi) depth|47 km (29 mi) distance| USGS | Very strong mag. 6.0 earthquake - Philippines Sea, 344 km north of Ternate, Maluku Utara, Indonesia, on Thursday, 27 March 1969 at 04:46 (GMT)
- 20 Feb 1969 16:58 UTC| M 6.0 |35 km (21.7 mi) depth|24 km (15 mi) distance| USGS | Strong mag. 6.0 earthquake - Philippines Sea, 319 km north of Ternate, Maluku Utara, Indonesia, on Thursday, 20 February 1969 at 16:58 (GMT)