Major magnitude. 7.1 earthquake - Bering Sea, 3.4 mi southeast of Rootok Island, Aleutians East County, Alaska, USA, on Thursday, 27 July 1944 at 00:04 (GMT)

Major magnitude. 7.1 earthquake - Bering Sea, 3.4 mi southeast of Rootok Island, Aleutians East County, Alaska, USA, on Thursday, 27 July 1944 at 00:04 (GMT)

Major magnitude 7.1 earthquake at 70 km depth

Date & time: 27 Jul 1944 00:04:23 UTC
Magnitude: 7.1
Depth: 70.0 km
Epicenter latitude / longitude: 54°N / 165.5°W (Bering Sea, Alaska, United States)
Nearest volcano: Gilbert (29 km / 18 mi)
Nearby towns and cities:
23 km (15 mi) SE of Akutan (pop: 1,040) --> See nearby quakes!
69 km (43 mi) ENE of Unalaska (pop: 4,490) --> See nearby quakes!
165 km (103 mi) SW of False Pass (pop: 40) --> See nearby quakes!
222 km (138 mi) SW of Cold Bay (pop: 123) --> See nearby quakes!
237 km (147 mi) WSW of King Cove (pop: 1,010) --> See nearby quakes!
252 km (157 mi) ENE of Nikolski (pop: 18) --> See nearby quakes!
353 km (219 mi) SW of Nelson Lagoon (pop: 52) --> See nearby quakes!
354 km (220 mi) WSW of Sand Point (pop: 1,060) --> See nearby quakes!
6524 km (4054 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6524 km (4054 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.8 x 1015 joules (783 gigawatt hours, equivalent to 6.7 x 105 tons of TNT or 42.1 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.
MagnitudeDepthLocationSource
M 7.170 kmFox Islands, Aleutian Islands, 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.
There are no user reports for this quake yet. If you felt it be the first to report it!
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Aftershocks of the 7.1 quake Bering Sea, 3.4 mi southeast of Rootok Island, Aleutians East County, Alaska, USA, 27 July 1944 00:04 GMT

More info
Recorded aftershocks, latest first (9 quakes):
  • 06 Apr 1946 04:52 UTC
    | M 0.0 |
    0 km (0 mi) depth
    |
    141 km (88 mi) distance
    | USGS | Details
  • 04 Apr 1946 21:25 UTC
    | M 0.0 |
    0 km (0 mi) depth
    |
    151 km (94 mi) distance
    | USGS | Details
  • 03 Apr 1946 08:58 UTC
    | M 0.0 |
    0 km (0 mi) depth
    |
    137 km (85 mi) distance
    | USGS | Details
  • 02 Apr 1946 16:30 UTC
    | M 0.0 |
    0 km (0 mi) depth
    |
    125 km (78 mi) distance
    | USGS | Details
  • 02 Apr 1946 14:27 UTC
    | M 0.0 |
    0 km (0 mi) depth
    |
    152 km (94 mi) distance
    | USGS | Details
  • 02 Apr 1946 04:13 UTC
    | M 0.0 |
    0 km (0 mi) depth
    |
    123 km (77 mi) distance
    | USGS | Details
  • 01 Apr 1946 18:57 UTC
    | M 0.0 |
    0 km (0 mi) depth
    |
    131 km (81 mi) distance
    | USGS | Details
  • 01 Apr 1946 16:59 UTC
    | M 0.0 |
    0 km (0 mi) depth
    |
    133 km (83 mi) distance
    | USGS | Details
  • 01 Apr 1946 12:55 UTC
    | M 0.0 |
    0 km (0 mi) depth
    |
    150 km (93 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

Major magnitude. 7.1 earthquake - Bering Sea, 3.4 mi southeast of Rootok Island, Aleutians East County, Alaska, USA, on Thursday, 27 July 1944 at 00:04 (GMT)
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