Very strong mag. 6.2 earthquake - Gulf of Alaska, 42 mi south of Sitkinak Island, Kodiak Island County, Alaska, USA, on Saturday, 22 January 1966 at 14:27 (GMT)

Very strong mag. 6.2 earthquake - Gulf of Alaska, 42 mi south of Sitkinak Island, Kodiak Island County, Alaska, USA, on Saturday, 22 January 1966 at 14:27 (GMT)

Very strong magnitude 6.2 earthquake at 20 km depth

Date & time: 22 Jan 1966 14:27:09 UTC
Magnitude: 6.2
Depth: 20.0 km
Epicenter latitude / longitude: 55.956°N / 153.942°W (Gulf of Alaska, Alaska, United States)
Nearest volcano: Kialagvik (221 km / 137 mi)
Nearby towns and cities:
111 km (69 mi) S of Akhiok (pop: 72) --> See nearby quakes!
144 km (90 mi) SSW of Old Harbor (pop: 221) --> See nearby quakes!
207 km (129 mi) SSW of Womens Bay (pop: 719) --> See nearby quakes!
217 km (135 mi) SSW of Kodiak Station (pop: 1,300) --> See nearby quakes!
222 km (138 mi) SSW of Port Lions (pop: 197) --> See nearby quakes!
224 km (139 mi) SSW of Kodiak (pop: 6,250) --> See nearby quakes!
417 km (259 mi) ENE of Sand Point (pop: 1,060) --> See nearby quakes!
434 km (270 mi) SSW of Homer (pop: 5,520) --> See nearby quakes!
443 km (275 mi) SSW of Anchor Point (pop: 1,930) --> See nearby quakes!
449 km (279 mi) SSW of Fritz Creek (pop: 1,930) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.3 x 1014 joules (35 gigawatt hours, equivalent to 30089 tons of TNT or 1.9 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 6.220 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):
  • 06 Apr 1966 22:28 UTC
    | M 5.6 |
    26.2 km (16.3 mi) depth
    |
    63 km (39 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

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