Mag. 3.9 earthquake - Gulf of Alaska, 42 mi south of Sand Point, Aleutians East County, Alaska, USA, on Wednesday, 22 July 2020 at 23:09 (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 17 hours earlier.
Mag. 3.9 earthquake  - Gulf of Alaska, 42 mi south of Sand Point, Aleutians East County, Alaska, USA, on Wednesday, 22 July 2020 at 23:09 (GMT)

Minor magnitude 3.9 earthquake at 44 km depth

22 Jul 23:34 UTC: First to report: USGS after 25 minutes.
Date & time: 22 Jul 2020 23:09:18 UTC -
Magnitude: 3.9
Depth: 43.9 km
Epicenter latitude / longitude: 54.7294°N / 160.4788°W (Gulf of Alaska, Alaska, United States)
Nearest volcano: Dana (112 km / 70 mi)
Nearby towns and cities:
68 km (42 mi) S of Sand Point (pop: 1,060) --> See nearby quakes!
123 km (77 mi) ESE of King Cove (pop: 1,010) --> See nearby quakes!
149 km (92 mi) SSE of Nelson Lagoon (pop: 52) --> See nearby quakes!
152 km (94 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
156 km (97 mi) SSW of Perryville (pop: 113) --> See nearby quakes!
201 km (125 mi) SSW of Chignik Lake (pop: 73) --> See nearby quakes!
349 km (217 mi) ENE of Akutan (pop: 1,040) --> See nearby quakes!
404 km (251 mi) ENE of Unalaska (pop: 4,490) --> See nearby quakes!
6192 km (3848 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6192 km (3848 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
53 km (33 mi) SSW of Shumagin s Island --> See nearby quakes!
60 km (37 mi) W of Chernabura Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 4.5 x 1010 joules (12.4 megawatt hours, equivalent to 10.7 tons of TNT) More info
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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.
MagnitudeDepthLocationSource
M 3.944 km67 km S of Sand Point, Alaska (USA)USGS
M 3.944 kmAlaska Peninsula (USA)EMSC

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!
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Earlier earthquakes in the same area

Mag. 3.9 earthquake - Gulf of Alaska, 42 mi south of Sand Point, Aleutians East County, Alaska, USA, on Wednesday, 22 July 2020 at 23:09 (GMT)
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