Mag. 3.7 earthquake - Gulf of Alaska, 52 mi south of Sand Point, Alaska, USA, on Monday, 10 August 2020 at 15:33 (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 3.7 earthquake at 25 km depth
10 Aug 15:58 UTC: First to report: USGS after 25 minutes.
Magnitude: 3.7
Depth: 25.3 km
Epicenter latitude / longitude: 54.5838°N / 160.5951°W
(Gulf of Alaska, Alaska, United States)Nearest volcano: Dutton (124 km / 77 mi)
Nearby towns and cities:
84 km (52 mi) S of Sand Point (pop: 1,060) --> See nearby quakes!
123 km (76 mi) ESE of King Cove (pop: 1,010) --> See nearby quakes!
152 km (94 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
162 km (101 mi) SSE of Nelson Lagoon (pop: 52) --> See nearby quakes!
174 km (108 mi) SSW of Perryville (pop: 113) --> See nearby quakes!
183 km (114 mi) E of False Pass (pop: 40) --> See nearby quakes!
339 km (211 mi) E of Akutan (pop: 1,040) --> See nearby quakes!
394 km (245 mi) ENE of Unalaska (pop: 4,490) --> See nearby quakes!
6205 km (3855 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6205 km (3855 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
70 km (44 mi) SSW of Shumagin s Island --> See nearby quakes!
71 km (44 mi) WSW of Chernabura Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.2 x 1010 joules (6.22 megawatt hours, equivalent to 5.35 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 3.7 | 25 km | 84 km S of Sand Point, Alaska (USA) | USGS |
| M 3.7 | 25 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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Earlier earthquakes in the same area
Mag. 3.7 earthquake - Gulf of Alaska, 52 mi south of Sand Point, Alaska, USA, on Monday, 10 August 2020 at 15:33 (GMT)
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