Very strong mag. 6.8 earthquake - North Pacific Ocean, 280 mi southwest of Unalaska, Aleutians West (CA) County, Alaska, USA, on Thursday, 29 July 1965 at 08:29 (GMT)
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Very strong magnitude 6.8 earthquake at 21 km depth
Date & time: 29 Jul 1965 08:29:24 UTC
Depth: 21.4 km
Epicenter latitude / longitude: 51.05°N / 171.289°W (North Pacific Ocean, Alaska, United States)
Nearest volcano: Amukta (161 km / 100 mi)
Nearby towns and cities:
238 km (148 mi) ESE of Atka (pop: 64) --> See nearby quakes!
268 km (166 mi) SW of Nikolski (pop: 18) --> See nearby quakes!
381 km (237 mi) E of Adak (pop: 332) --> See nearby quakes!
450 km (280 mi) SW of Unalaska (pop: 4,490) --> See nearby quakes!
506 km (314 mi) SW of Akutan (pop: 1,040) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1 x 1015 joules (278 gigawatt hours, equivalent to 2.4 x 105 tons of TNT or 14.9 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 6.8||21 km||Fox Islands, Aleutian Islands, Alaska (USA)||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 (3 quakes):
- 04 Dec 1965 02:11 UTC| M 5.8 |15 km (9.3 mi) depth|48 km (30 mi) distance| USGS | Details
- 29 Jul 1965 15:08 UTC| M 5.6 |20 km (12.4 mi) depth|13 km (8 mi) distance| USGS | Details
- 29 Jul 1965 12:20 UTC| M 5.7 |15 km (9.3 mi) depth|36 km (22 mi) distance| USGS | Details