Very strong mag. 6.6 earthquake - North Pacific Ocean, 38 mi southeast of Nikolski, Aleutians West (CA) County, Alaska, USA, on Wednesday, 2 January 1957 at 03:12 (GMT)

Very strong mag. 6.6 earthquake - North Pacific Ocean, 38 mi southeast of Nikolski, Aleutians West (CA) County, Alaska, USA, on Wednesday, 2 January 1957 at 03:12 (GMT)

Very strong magnitude 6.6 earthquake at 20 km depth

Date & time: 2 Jan 1957 03:12:57 UTC
Magnitude: 6.6
Depth: 20.0 km
Epicenter latitude / longitude: 52.599°N / 168.135°W (North Pacific Ocean, Alaska, United States)
Nearest volcano: Recheschnoi (68 km / 42 mi)
Nearby towns and cities:
62 km (38 mi) SE of Nikolski (pop: 18) --> See nearby quakes!
177 km (110 mi) SW of Unalaska (pop: 4,490) --> See nearby quakes!
232 km (144 mi) SW of Akutan (pop: 1,040) --> See nearby quakes!
399 km (248 mi) SW of False Pass (pop: 40) --> See nearby quakes!
414 km (257 mi) E of Atka (pop: 64) --> See nearby quakes!
457 km (284 mi) SW of Cold Bay (pop: 123) --> See nearby quakes!
470 km (292 mi) SW of King Cove (pop: 1,010) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5 x 1014 joules (139 gigawatt hours, equivalent to 1.2 x 105 tons of TNT or 7.5 atomic bombs!) More info
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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.
MagnitudeDepthLocationSource
M 6.620 kmFox Islands, Aleutian Islands, Alaska (USA)USGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

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Aftershocks

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Recorded aftershocks, latest first (23 quakes):
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Earlier earthquakes in the same area

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