Strong mag. 6.0 earthquake - North Pacific Ocean, 183 mi southwest of Unalaska, Aleutians West (CA) County, Alaska, USA, on Friday, 13 December 1957 at 20:26 (GMT)
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Strong magnitude 6.0 earthquake at 25 km depth
Date & time: 13 Dec 1957 20:26:25 UTC
Depth: 25.0 km
Epicenter latitude / longitude: 52°N / 169.633°W (North Pacific Ocean, Alaska, United States)
Nearest volcano: Herbert (89 km / 55 mi)
Nearby towns and cities:
117 km (73 mi) SSW of Nikolski (pop: 18) --> See nearby quakes!
294 km (183 mi) SW of Unalaska (pop: 4,490) --> See nearby quakes!
313 km (194 mi) E of Atka (pop: 64) --> See nearby quakes!
350 km (218 mi) SW of Akutan (pop: 1,040) --> See nearby quakes!
520 km (323 mi) SW of False Pass (pop: 40) --> 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
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 6.0||25 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 (1 quakes):
- 27 Apr 1958 19:03 UTC| M 5.8 |49.7 km (30.9 mi) depth|46 km (29 mi) distance| USGS | Details