Strong mag. 6.4 earthquake - Gulf of Alaska, 14 mi west of Sutwik Island, Lake and Peninsula County, Alaska, USA, on Tuesday, 1 January 1963 at 23:39 (GMT)

Strong mag. 6.4 earthquake - Gulf of Alaska, 14 mi west of Sutwik Island, Lake and Peninsula County, Alaska, USA, on Tuesday, 1 January 1963 at 23:39 (GMT)

Tremblement de terre fort magnitude 6.4 at 75 km depth

Date & time: 1 Jan 1963 23:39:10 UTC
Magnitude: 6.4
Profondeur: 74.8 km
Epicenter latitude / longitude: 56.575°N / 157.542°W (Gulf of Alaska, Alaska, États-Unis)
Volcan le plus près: Aniakchak (51 km / 32 mi)
Nearby towns and cities:
68 km ENE de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
78 km ESE de Port Heiden (pop: 98) --> Voir les séismes à proximité!
230 km NE de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
326 km OSO de Kodiak Station (pop: 1,300) --> Voir les séismes à proximité!
338 km OSO de Kodiak (pop: 6,250) --> Voir les séismes à proximité!
490 km SO de Homer (pop: 5,520) --> Voir les séismes à proximité!
561 km SO de Kalifornsky (pop: 7,850) --> Voir les séismes à proximité!
573 km SO de Kenai (pop: 7,660) --> Voir les séismes à proximité!
575 km SO de Soldotna (pop: 4,540) --> Voir les séismes à proximité!
590 km SO de Sterling (pop: 5,620) --> Voir les séismes à proximité!
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
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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 6.475 kmAlaska Peninsula (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):
So far, no aftershocks have been registered.
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Earlier earthquakes in the same area

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