Strong mag. 6.8 earthquake - Gulf of Alaska, 14 mi south of Wosnesenski Island, Aleutians East County, Alaska, USA, on Monday, 12 February 1940 at 09:17 (GMT)
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Strong magnitude 6.8 earthquake at 0 km depth
Magnitude: 6.8
Depth: 0.0 km
Epicenter latitude / longitude: 55°N / 161.5°W
(Gulf of Alaska, Alaska, United States)Nearest volcano: Pavlof (53 km / 33 mi)
Nearby towns and cities:
53 km (33 mi) E of King Cove (pop: 1,010) --> See nearby quakes!
74 km (46 mi) WSW of Sand Point (pop: 1,060) --> See nearby quakes!
80 km (50 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
113 km (70 mi) S of Nelson Lagoon (pop: 52) --> See nearby quakes!
123 km (77 mi) E of False Pass (pop: 40) --> See nearby quakes!
180 km (112 mi) SW of Perryville (pop: 113) --> See nearby quakes!
292 km (181 mi) ENE of Akutan (pop: 1,040) --> See nearby quakes!
349 km (217 mi) ENE of Unalaska (pop: 4,490) --> See nearby quakes!
6242 km (3879 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6242 km (3879 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: 1 x 1015 joules (278 gigawatt hours, equivalent to 2.4 x 105 tons of TNT or 14.9 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 6.8 | km | Alaska Peninsula (USA) | 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!
So far, no aftershocks have been registered.
Aftershocks of the 6.8 quake Gulf of Alaska, 14 mi south of Wosnesenski Island, Aleutians East County, Alaska, USA, 12 February 1940 09:17 GMT
More info
Recorded aftershocks, latest first (0 quakes):So far, no aftershocks have been registered.
Earlier earthquakes in the same area
Strong mag. 6.8 earthquake - Gulf of Alaska, 14 mi south of Wosnesenski Island, Aleutians East County, Alaska, USA, on Monday, 12 February 1940 at 09:17 (GMT)
Click here to search our database for earlier earthquakes in the same area since 1900!
