Strong mag. 6.2 earthquake - North Pacific Ocean, 40 mi southeast of Nikolski, Aleutians West (CA) County, Alaska, USA, on Friday, 21 December 1962 at 09:00 (GMT)
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Strong magnitude 6.2 earthquake at 33 km depth
Date & time: 21 Dec 1962 09:00:42 UTC
Depth: 33.0 km
Epicenter latitude / longitude: 52.4°N / 168.5°W (North Pacific Ocean, Alaska, United States)
Nearest volcano: Vsevidof (82 km / 51 mi)
Nearby towns and cities:
65 km (40 mi) SSE of Nikolski (pop: 18) --> See nearby quakes!
210 km (130 mi) SW of Unalaska (pop: 4,490) --> See nearby quakes!
265 km (164 mi) SW of Akutan (pop: 1,040) --> See nearby quakes!
388 km (241 mi) E of Atka (pop: 64) --> See nearby quakes!
432 km (269 mi) SW of False Pass (pop: 40) --> See nearby quakes!
490 km (304 mi) SW of Cold Bay (pop: 123) --> See nearby quakes!
503 km (312 mi) SW of King Cove (pop: 1,010) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.3 x 1014 joules (35 gigawatt hours, equivalent to 30089 tons of TNT or 1.9 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 6.2||33 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 (2 quakes):
- 22 Dec 1962 15:20 UTC| M 6.5 |33.3 km (20.7 mi) depth|32 km (20 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)
- 21 Dec 1962 09:10 UTC| M 6.5 |25 km (15.5 mi) depth|21 km (13 mi) distance| USGS | 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)