Very strong mag. 6.4 earthquake - North Pacific Ocean, 44 mi southeast of Nikolski, Aleutians West (CA) County, Alaska, USA, on Wednesday, 2 January 1957 at 00:39 (GMT)

Very strong mag. 6.4 earthquake - North Pacific Ocean, 44 mi southeast of Nikolski, Aleutians West (CA) County, Alaska, USA, on Wednesday, 2 January 1957 at 00:39 (GMT)

Very strong magnitude 6.4 earthquake at 20 km depth

Date & time: 2 Jan 1957 00:39:29 UTC
Magnitude: 6.4
Depth: 20.0 km
Epicenter latitude / longitude: 52.47°N / 168.149°W (North Pacific Ocean, Alaska, United States)
Nearest volcano: Recheschnoi (81 km / 50 mi)
Nearby towns and cities:
71 km (44 mi) SE of Nikolski (pop: 18) --> See nearby quakes!
190 km (118 mi) SW of Unalaska (pop: 4,490) --> See nearby quakes!
243 km (151 mi) SW of Akutan (pop: 1,040) --> See nearby quakes!
410 km (254 mi) SW of False Pass (pop: 40) --> See nearby quakes!
412 km (256 mi) E of Atka (pop: 64) --> See nearby quakes!
467 km (290 mi) SW of Cold Bay (pop: 123) --> See nearby quakes!
479 km (298 mi) SW of King Cove (pop: 1,010) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 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 6.420 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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