Major magnitude 6.9 earthquake - Gulf of Alaska, 22 mi southeast of South Island, Kodiak Island County, Alaska, USA, on Tuesday, 13 February 1951 at 22:13 (GMT)

Major magnitude 6.9 earthquake - Gulf of Alaska, 22 mi southeast of South Island, Kodiak Island County, Alaska, USA, on Tuesday, 13 February 1951 at 22:13 (GMT)

Tremblement de terre majeur magnitude 6.9 at 20 km depth

Date & time: 13 Feb 1951 22:13:00 UTC
Magnitude: 6.9
Profondeur: 20.0 km
Epicenter latitude / longitude: 55.802°N / 156.28°W (Gulf of Alaska, Alaska, États-Unis)
Volcan le plus près: Yantarni (146 km / 91 mi)
Nearby towns and cities:
151 km ESE de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
179 km E de Perryville (pop: 113) --> Voir les séismes à proximité!
240 km SO de Old Harbor (pop: 221) --> Voir les séismes à proximité!
270 km ENE de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
313 km SO de Kodiak Station (pop: 1,300) --> Voir les séismes à proximité!
323 km SO de Kodiak (pop: 6,250) --> Voir les séismes à proximité!
390 km ENE de King Cove (pop: 1,010) --> Voir les séismes à proximité!
511 km SO de Homer (pop: 5,520) --> Voir les séismes à proximité!
515 km SSO de Anchor Point (pop: 1,930) --> Voir les séismes à proximité!
528 km SO de Fritz Creek (pop: 1,930) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.4 x 1015 joules (392 gigawatt hours, equivalent to 3.4 x 105 tons of TNT or 21.1 atomic bombs!) More info
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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.
MagnitudeProfondeurLocationSource
M 6.920 kmsouth of Alaska (USA)USGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

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Aftershocks

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Recorded aftershocks, latest first (0 quakes):
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Earlier earthquakes in the same area

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