Strong mag. 5.9 earthquake - Gulf of Alaska, 5.1 mi north of Simeonof Island, Aleutians East County, Alaska, USA, on Monday, 14 February 1983 at 08:10 (GMT)
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Strong magnitude 5.9 earthquake at 33 km depth
Date & time: 14 Feb 1983 08:10:03 UTC
Depth: 33.0 km
Epicenter latitude / longitude: 54.969°N / 159.236°W (Gulf of Alaska, Alaska, United States)
Nearest volcano: Stepovak Bay 1 (114 km / 71 mi)
Nearby towns and cities:
90 km (56 mi) ESE of Sand Point (pop: 1,060) --> See nearby quakes!
105 km (65 mi) S of Perryville (pop: 113) --> See nearby quakes!
146 km (91 mi) S of Chignik Lake (pop: 73) --> See nearby quakes!
155 km (97 mi) SSW of Chignik Lagoon (pop: 78) --> See nearby quakes!
169 km (105 mi) SE of Nelson Lagoon (pop: 52) --> See nearby quakes!
197 km (122 mi) E of King Cove (pop: 1,010) --> See nearby quakes!
223 km (139 mi) E of Cold Bay (pop: 123) --> See nearby quakes!
432 km (268 mi) ENE of Akutan (pop: 1,040) --> See nearby quakes!
513 km (319 mi) SW of Kodiak Station (pop: 1,300) --> See nearby quakes!
524 km (326 mi) SW of Kodiak (pop: 6,250) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 4.5 x 1013 joules (12.4 gigawatt hours, equivalent to 10676 tons of TNT or 0.7 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 5.9||33 km||south of 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):
- 27 Feb 1983 15:55 UTC| M 4.8 |33 km (20.5 mi) depth|19 km (12 mi) distance| USGS | Details
- 15 Feb 1983 18:53 UTC| M 4.5 |33 km (20.5 mi) depth|16 km (10 mi) distance| USGS | Details