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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Major magnitude 7.4 earthquake at 90 km depth
Magnitude: 7.4
Depth: 90.0 km
Epicenter latitude / longitude: 52.5°N / 169°W

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
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.
Magnitude | Depth | Location | Source |
M 7.4 | 90 km | Fox Islands, Aleutian Islands, Alaska (USA) | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
be the first to report it!
There are no user reports for this quake yet. If you felt it 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)Click here to search our database for earlier earthquakes in the same area since 1900!