Very strong mag. 6.3 earthquake - North Pacific Ocean, 33 mi south of Nikolski, Aleutians West (CA) County, Alaska, USA, on Thursday, 2 May 1957 at 11:38 (GMT)

Very strong mag. 6.3 earthquake - North Pacific Ocean, 33 mi south of Nikolski, Aleutians West (CA) County, Alaska, USA, on Thursday, 2 May 1957 at 11:38 (GMT)

Very strong magnitude 6.3 earthquake at 26 km depth

Date & time: 2 May 1957 11:38:59 UTC
Magnitude: 6.3
Depth: 26.0 km
Epicenter latitude / longitude: 52.474°N / 168.728°W (North Pacific Ocean, Alaska, United States)
Nearest volcano: Vsevidof (73 km / 45 mi)
Nearby towns and cities:
52 km (33 mi) S of Nikolski (pop: 18) --> See nearby quakes!
214 km (133 mi) SW of Unalaska (pop: 4,490) --> See nearby quakes!
269 km (167 mi) SW of Akutan (pop: 1,040) --> See nearby quakes!
373 km (232 mi) E of Atka (pop: 64) --> See nearby quakes!
439 km (273 mi) SW of False Pass (pop: 40) --> See nearby quakes!
496 km (308 mi) SW of Cold Bay (pop: 123) --> See nearby quakes!
510 km (317 mi) WSW of King Cove (pop: 1,010) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 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 6.326 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 (2 quakes):
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Earlier earthquakes in the same area

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