Strong mag. 6.4 earthquake - Bering Sea, 18 mi south of Avatanak Island, Aleutians East County, Alaska, USA, on Sunday, 17 March 1957 at 22:44 (GMT)
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Strong magnitude 6.4 earthquake at 45 km depth
Date & time: 17 Mar 1957 22:44:53 UTC
Depth: 45.0 km
Epicenter latitude / longitude: 53.823°N / 165.218°W (Bering Sea, Alaska, United States)
Nearest volcano: Gilbert (55 km / 34 mi)
Nearby towns and cities:
50 km (31 mi) SE of Akutan (pop: 1,040) --> See nearby quakes!
87 km (54 mi) E of Unalaska (pop: 4,490) --> See nearby quakes!
164 km (102 mi) SW of False Pass (pop: 40) --> See nearby quakes!
221 km (138 mi) SW of Cold Bay (pop: 123) --> See nearby quakes!
233 km (145 mi) SW of King Cove (pop: 1,010) --> See nearby quakes!
261 km (162 mi) ENE of Nikolski (pop: 18) --> See nearby quakes!
348 km (216 mi) WSW of Sand Point (pop: 1,060) --> See nearby quakes!
353 km (219 mi) SW of Nelson Lagoon (pop: 52) --> See nearby quakes!
453 km (281 mi) WSW of Perryville (pop: 113) --> See nearby quakes!
542 km (337 mi) SW of Port Heiden (pop: 98) --> 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
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 6.4||45 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 (2 quakes):
- 11 Jun 1957 04:04 UTC| M 5.5 |35 km (21.7 mi) depth|38 km (23 mi) distance| USGS | Details
- 22 Mar 1957 14:21 UTC| M 7.1 |46.6 km (29 mi) depth|37 km (23 mi) distance| USGS | Major magnitude 7.1 earthquake - Bering Sea, 13 mi southeast of Egg Island, Aleutians West County, Alaska, USA, on Friday, 22 March 1957 at 14:21 (GMT)