Very strong mag. 6.5 earthquake - North Pacific Ocean, 136 mi southwest of Unalaska, Aleutians West (CA) County, Alaska, USA, on Friday, 21 December 1962 at 09:10 (GMT)
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Very strong magnitude 6.5 earthquake at 25 km depth
Date & time: 21 Dec 1962 09:10:02 UTC
Depth: 25.0 km
Epicenter latitude / longitude: 52.232°N / 168.351°W (North Pacific Ocean, Alaska, United States)
Nearest volcano: Vsevidof (103 km / 64 mi)
Nearby towns and cities:
86 km (53 mi) SSE of Nikolski (pop: 18) --> See nearby quakes!
219 km (136 mi) SW of Unalaska (pop: 4,490) --> See nearby quakes!
272 km (169 mi) SW of Akutan (pop: 1,040) --> See nearby quakes!
399 km (248 mi) E of Atka (pop: 64) --> See nearby quakes!
438 km (272 mi) SW of False Pass (pop: 40) --> See nearby quakes!
495 km (308 mi) SW of Cold Bay (pop: 123) --> See nearby quakes!
507 km (315 mi) SW of King Cove (pop: 1,010) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 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 6.5||25 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 (1 quakes):
- 22 Dec 1962 15:20 UTC| M 6.5 |33.3 km (20.7 mi) depth|29 km (18 mi) distance| USGS | Very strong mag. 6.5 earthquake - North Pacific Ocean, 150 mi southwest of Unalaska, Aleutians West (CA) County, Alaska, USA, on Saturday, 22 December 1962 at 15:20 (GMT)