Strong mag. 5.7 earthquake - North Pacific Ocean, 42 mi southeast of Herbert Island, Aleutians West County, Alaska, USA, on Saturday, 13 July 1957 at 00:59 (GMT)
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Strong magnitude 5.7 earthquake at 26 km depth
Date & time: 13 Jul 1957 00:59:35 UTC
Depth: 25.8 km
Epicenter latitude / longitude: 52.256°N / 169.551°W (North Pacific Ocean, Alaska, United States)
Nearest volcano: Herbert (66 km / 41 mi)
Nearby towns and cities:
89 km (55 mi) SSW of Nikolski (pop: 18) --> See nearby quakes!
270 km (168 mi) SW of Unalaska (pop: 4,490) --> See nearby quakes!
317 km (197 mi) E of Atka (pop: 64) --> See nearby quakes!
327 km (203 mi) SW of Akutan (pop: 1,040) --> See nearby quakes!
498 km (309 mi) WSW of False Pass (pop: 40) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.2 x 1013 joules (6.22 gigawatt hours, equivalent to 5351 tons of TNT or 0.3 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 5.7||26 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):
- 01 Aug 1957 16:18 UTC| M 5.6 |0 km (0 mi) depth|42 km (26 mi) distance| USGS | Details