Strong mag. 6.0 earthquake - Aleutians West County, 15 mi west of Unalaska, Aleutians West (CA) County, Alaska, USA, on Wednesday, 22 April 1959 at 10:55 (GMT)

Strong mag. 6.0 earthquake - Aleutians West County, 15 mi west of Unalaska, Aleutians West (CA) County, Alaska, USA, on Wednesday, 22 April 1959 at 10:55 (GMT)

Strong magnitude 6.0 earthquake at 51 km depth

Date & time: 22 Apr 1959 10:55:11 UTC
Magnitude: 6
Depth: 51.0 km
Epicenter latitude / longitude: 53.8°N / 166.87°W (Aleutians West County, Alaska, United States)
Nearest volcano: Makushin (11 km / 7 mi)
Nearby towns and cities:
24 km (15 mi) WSW of Unalaska (pop: 4,490) --> See nearby quakes!
81 km (50 mi) WSW of Akutan (pop: 1,040) --> See nearby quakes!
163 km (101 mi) NE of Nikolski (pop: 18) --> See nearby quakes!
253 km (157 mi) WSW of False Pass (pop: 40) --> See nearby quakes!
309 km (192 mi) WSW of Cold Bay (pop: 123) --> See nearby quakes!
326 km (203 mi) WSW of King Cove (pop: 1,010) --> See nearby quakes!
437 km (271 mi) WSW of Nelson Lagoon (pop: 52) --> See nearby quakes!
445 km (276 mi) WSW of Sand Point (pop: 1,060) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 6.3 x 1013 joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 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 6.051 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

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Aftershocks

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Recorded aftershocks, latest first (0 quakes):
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Earlier earthquakes in the same area

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