Very strong mag. 6.3 earthquake - North Pacific Ocean, 131 mi south of King Cove, Aleutians East County, Alaska, USA, on Saturday, 6 February 1965 at 16:50 (GMT)

Very strong mag. 6.3 earthquake - North Pacific Ocean, 131 mi south of King Cove, Aleutians East County, Alaska, USA, on Saturday, 6 February 1965 at 16:50 (GMT)

Very strong magnitude 6.3 earthquake at 23 km depth

Date & time: 6 Feb 1965 16:50:29 UTC
Magnitude: 6.3
Depth: 22.5 km
Epicenter latitude / longitude: 53.191°N / 161.859°W (North Pacific Ocean, Alaska, United States)
Nearest volcano: Roundtop (212 km / 132 mi)
Nearby towns and cities:
210 km (131 mi) S of King Cove (pop: 1,010) --> See nearby quakes!
211 km (131 mi) SSE of False Pass (pop: 40) --> See nearby quakes!
229 km (142 mi) SSE of Cold Bay (pop: 123) --> See nearby quakes!
254 km (158 mi) SSW of Sand Point (pop: 1,060) --> See nearby quakes!
279 km (173 mi) ESE of Akutan (pop: 1,040) --> See nearby quakes!
315 km (196 mi) S of Nelson Lagoon (pop: 52) --> See nearby quakes!
318 km (198 mi) E of Unalaska (pop: 4,490) --> See nearby quakes!
349 km (217 mi) SSW of Perryville (pop: 113) --> See nearby quakes!
395 km (245 mi) SSW of Chignik Lake (pop: 73) --> See nearby quakes!
407 km (253 mi) SSW of Chignik Lagoon (pop: 78) --> 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
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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.
MagnitudeDepthLocationSource
M 6.323 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

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Aftershocks

More info
Recorded aftershocks, latest first (1 quakes):
  • 13 Mar 1965 07:33 UTC
    | M 5.7 |
    20 km (12.4 mi) depth
    |
    33 km (21 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

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