Very strong mag. 6.0 earthquake - North Pacific Ocean, 46 mi southeast of Herbert Island, Aleutians West County, Alaska, USA, on Sunday, 24 March 1957 at 11:06 (GMT)
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Very strong magnitude 6.0 earthquake at 20 km depth
Date & time: 24 Mar 1957 11:06:14 UTC
Depth: 20.0 km
Epicenter latitude / longitude: 52.166°N / 169.62°W (North Pacific Ocean, Alaska, United States)
Nearest volcano: Herbert (72 km / 45 mi)
Nearby towns and cities:
100 km (62 mi) SSW of Nikolski (pop: 18) --> See nearby quakes!
281 km (174 mi) SW of Unalaska (pop: 4,490) --> See nearby quakes!
312 km (194 mi) E of Atka (pop: 64) --> See nearby quakes!
337 km (209 mi) SW of Akutan (pop: 1,040) --> See nearby quakes!
508 km (315 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||20 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 (4 quakes):
- 01 Aug 1957 16:18 UTC| M 5.6 |0 km (0 mi) depth|32 km (20 mi) distance| USGS | Details
- 13 Jul 1957 00:59 UTC| M 5.7 |25.8 km (16 mi) depth|11 km (7 mi) distance| USGS | Details
- 29 Apr 1957 04:30 UTC| M 5.6 |25 km (15.5 mi) depth|53 km (33 mi) distance| USGS | Details
- 09 Apr 1957 20:24 UTC| M 5.7 |25 km (15.5 mi) depth|39 km (24 mi) distance| USGS | Details