Major magnitude. 7.4 earthquake - Bering Sea, 35 mi south of Anangula Island, Aleutians West County, Alaska, USA, on Wednesday, 8 September 1909 at 16:49 (GMT)

Major magnitude. 7.4 earthquake  - Bering Sea, 35 mi south of Anangula Island, Aleutians West County, Alaska, USA, on Wednesday, 8 September 1909 at 16:49 (GMT)

Major magnitude 7.4 earthquake at 90 km depth

Date & time: 8 Sep 1909 16:49:48 UTC
Magnitude: 7.4
Depth: 90.0 km
Epicenter latitude / longitude: 52.5°N / 169°W (Bering Sea, Alaska, United States)
Nearest volcano: Tana (64 km / 40 mi)
Nearby towns and cities:
50 km (31 mi) S of Nikolski (pop: 18) --> See nearby quakes!
224 km (139 mi) SW of Unalaska (pop: 4,490) --> See nearby quakes!
281 km (174 mi) SW of Akutan (pop: 1,040) --> See nearby quakes!
355 km (221 mi) E of Atka (pop: 64) --> See nearby quakes!
452 km (281 mi) SW of False Pass (pop: 40) --> See nearby quakes!
509 km (316 mi) SW of Cold Bay (pop: 123) --> See nearby quakes!
6806 km (4229 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6806 km (4229 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: 7.9 x 1015 joules (2206 gigawatt hours, equivalent to 1.9 x 106 tons of TNT or 118.7 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 7.490 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 7.4 quake Bering Sea, 35 mi south of Anangula Island, Aleutians West County, Alaska, USA, 8 September 1909 16:49 GMT

More info
Recorded aftershocks, latest first (1 quakes):
  • 01 Sep 1910 00:00 UTC
    | M 0.0 |
    0 km (0 mi) depth
    |
    180 km (112 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

Major magnitude. 7.4 earthquake - Bering Sea, 35 mi south of Anangula Island, Aleutians West County, Alaska, USA, on Wednesday, 8 September 1909 at 16:49 (GMT)
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