Moderate mag. 5.2 earthquake - Gulf of Alaska, 31 mi south of Wosnesenski Island, Aleutians East County, Alaska, USA, on Tuesday, 4 August 2020 at 12:47 (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 13 days earlier.
Moderate mag. 5.2 earthquake - Gulf of Alaska, 31 mi south of Wosnesenski Island, Aleutians East County, Alaska, USA, on Tuesday, 4 August 2020 at 12:47 (GMT)

Moderate magnitude 5.2 earthquake at 44 km depth

4 Aug 13:08 UTC: First to report: USGS after 21 minutes.
Hypocenter depth recalculated from 44.4 to 43.9 km.
Date & time: 4 Aug 2020 12:47:19 UTC -
Magnitude: 5.2
Depth: 43.9 km
Epicenter latitude / longitude: 54.7625°N / 161.1936°W (Gulf of Alaska, Alaska, United States)
Nearest volcano: Pavlof (58 km / 36 mi)
Nearby towns and cities:
78 km (48 mi) SW of Sand Point (pop: 1,060) --> See nearby quakes!
79 km (49 mi) ESE of King Cove (pop: 1,010) --> See nearby quakes!
108 km (67 mi) ESE of Cold Bay (pop: 123) --> See nearby quakes!
138 km (86 mi) S of Nelson Lagoon (pop: 52) --> See nearby quakes!
143 km (89 mi) E of False Pass (pop: 40) --> See nearby quakes!
182 km (113 mi) SW of Perryville (pop: 113) --> See nearby quakes!
304 km (189 mi) ENE of Akutan (pop: 1,040) --> See nearby quakes!
360 km (224 mi) ENE of Unalaska (pop: 4,490) --> See nearby quakes!
6234 km (3873 mi) NW of Washington (District of Columbia) (pop: 601,700) --> See nearby quakes!
6234 km (3873 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
49 km (31 mi) SSE of Wosnesenski Island --> See nearby quakes!
386 km (240 mi) ENE of Peter Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 4 x 1012 joules (1.11 gigawatt hours, equivalent to 951 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 5.138 kmAlaska Peninsula (USA)GFZ
M 5.244 kmAlaska Peninsula (USA)EMSC
M 5.244 km77 km SW of Sand Point, Alaska (USA)USGS
M 5.243 kmAlaska Peninsula (USA)GeoAu
M 5.0219 kmAlaska Peninsula (USA)BMKG

User reports for this quake (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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King Cove, Alaska (77.1 km WNW of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
HAMILTON, Ontario, Canada / Very weak shaking (MMI II) : I was sleeping and my bed was shaking
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Earlier earthquakes in the same area since 1900

Moderate mag. 5.2 earthquake - Gulf of Alaska, 31 mi south of Wosnesenski Island, Aleutians East County, Alaska, USA, on Tuesday, 4 August 2020 at 12:47 (GMT)

Map of earlier quakes

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