Very strong mag. 6.3 earthquake - North Pacific Ocean, 87 mi south of Unalaska, Aleutians West (CA) County, Alaska, USA, on Saturday, 12 January 1952 at 20:11 (GMT)
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Very strong magnitude 6.3 earthquake at 25 km depth
Date & time: 12 Jan 1952 20:11:43 UTC
Depth: 25.0 km
Epicenter latitude / longitude: 52.64°N / 166.906°W (North Pacific Ocean, Alaska, United States)
Nearest volcano: Okmok (119 km / 74 mi)
Nearby towns and cities:
136 km (84 mi) ESE of Nikolski (pop: 18) --> See nearby quakes!
139 km (87 mi) S of Unalaska (pop: 4,490) --> See nearby quakes!
182 km (113 mi) SSW of Akutan (pop: 1,040) --> See nearby quakes!
337 km (209 mi) SW of False Pass (pop: 40) --> See nearby quakes!
394 km (245 mi) SW of Cold Bay (pop: 123) --> See nearby quakes!
404 km (251 mi) SW of King Cove (pop: 1,010) --> See nearby quakes!
515 km (320 mi) WSW of Sand Point (pop: 1,060) --> See nearby quakes!
525 km (326 mi) SW of Nelson Lagoon (pop: 52) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 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 6.3||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):
- 21 Jan 1952 03:43 UTC| M 6.2 |27.1 km (16.8 mi) depth|9 km (6 mi) distance| USGS | Very strong mag. 6.2 earthquake - North Pacific Ocean, 81 mi south of Unalaska, Aleutians West (CA) County, Alaska, USA, on Monday, 21 January 1952 at 03:43 (GMT)