Mag. 3.8 earthquake - Gulf of Alaska, 39 mi south of King Cove, Alaska, USA, on Tuesday, 8 September 2020 at 23:36 (GMT) -
This quake was likely an aftershock of the 7.8 quake Gulf of Alaska, 31 mi east of Simeonof Island, Aleutians East County, Alaska, USA, 22 July 2020 06:12 GMT, which had occurred 7 weeks earlier.
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Minor magnitude 3.8 earthquake at 89 km depth
8 Sep 23:50 UTC: First to report: USGS after 15 minutes.
Magnitude: 3.8
Depth: 88.8 km
Epicenter latitude / longitude: 54.5157°N / 162.5253°W

Nearest volcano: Frosty (66 km / 41 mi)
Nearby towns and cities:
62 km (39 mi) SSW of King Cove (pop: 1,010) --> See nearby quakes!
68 km (42 mi) ESE of False Pass (pop: 40) --> See nearby quakes!
76 km (47 mi) S of Cold Bay (pop: 123) --> See nearby quakes!
158 km (98 mi) SW of Sand Point (pop: 1,060) --> See nearby quakes!
185 km (115 mi) SSW of Nelson Lagoon (pop: 52) --> See nearby quakes!
215 km (134 mi) ENE of Akutan (pop: 1,040) --> See nearby quakes!
265 km (164 mi) SW of Perryville (pop: 113) --> See nearby quakes!
270 km (168 mi) ENE of Unalaska (pop: 4,490) --> See nearby quakes!
6323 km (3929 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6323 km (3929 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
15 km (9 mi) NE of Sanak Island --> See nearby quakes!
47 km (29 mi) SSW of Deer Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.2 x 1010 joules (8.78 megawatt hours, equivalent to 7.56 tons of TNT) 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 3.8 | 89 km | 62 Km SSW of King Cove, Alaska (USA) | USGS |
M 3.6 | 64 km | Alaska Peninsula (USA) | EMSC |
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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Mag. 3.8 earthquake - Gulf of Alaska, 39 mi south of King Cove, Alaska, USA, on Tuesday, 8 September 2020 at 23:36 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!