Mag. 3.1 earthquake - Gulf of Alaska, 51 mi southeast of Perryville, Alaska, USA, on Friday, 14 August 2020 at 12:01 (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 3 weeks earlier.
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Minor magnitude 3.1 earthquake at 4 km depth
14 Aug 19:40 UTC: First to report: USGS after 8 hours.
Magnitude: 3.1
Depth: 3.7 km
Epicenter latitude / longitude: 55.3928°N / 158.2127°W
(Gulf of Alaska, Alaska, United States)Nearest volcano: Veniaminof (113 km / 70 mi)
Nearby towns and cities:
82 km (51 mi) SE of Perryville (pop: 113) --> See nearby quakes!
102 km (63 mi) SSE of Chignik Lake (pop: 73) --> See nearby quakes!
104 km (64 mi) SSE of Chignik Lagoon (pop: 78) --> See nearby quakes!
145 km (90 mi) E of Sand Point (pop: 1,060) --> See nearby quakes!
174 km (108 mi) S of Port Heiden (pop: 98) --> See nearby quakes!
199 km (124 mi) ESE of Nelson Lagoon (pop: 52) --> See nearby quakes!
263 km (163 mi) E of King Cove (pop: 1,010) --> See nearby quakes!
286 km (178 mi) E of Cold Bay (pop: 123) --> See nearby quakes!
6031 km (3748 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6031 km (3748 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
86 km (53 mi) ENE of Little Koniuji Island --> See nearby quakes!
109 km (68 mi) NE of Chernabura Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.8 x 109 joules (783 kilowatt hours, equivalent to 0.674 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 3.1 | 3.7 km | 82 km SE of Perryville, Alaska (USA) | USGS |
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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Earlier earthquakes in the same area
Mag. 3.1 earthquake - Gulf of Alaska, 51 mi southeast of Perryville, Alaska, USA, on Friday, 14 August 2020 at 12:01 (GMT)
Click here to search our database for earlier earthquakes in the same area since 1900!
