Mag. 3.4 earthquake - Gulf of Alaska, 39 mi southeast of Sand Point, Alaska, USA, on Wednesday, 19 August 2020 at 17:44 (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 4 weeks earlier.
Mag. 3.4 earthquake  - Gulf of Alaska, 39 mi southeast of Sand Point, Alaska, USA, on Wednesday, 19 August 2020 at 17:44 (GMT)

Minor magnitude 3.4 earthquake at 28 km depth

19 Aug 18:25 UTC: First to report: USGS after 41 minutes.
Aug 19 19:12: Magnitude recalculated from 3.2 to 3.4.
Hypocenter depth recalculated from 21.3 to 27.7 km.
Date & time: 19 Aug 2020 17:44:37 UTC -
Magnitude: 3.4
Depth: 27.7 km
Epicenter latitude / longitude: 54.9279°N / 159.831°W (Gulf of Alaska, Alaska, United States)
Nearest volcano: Stepovak Bay 2 (110 km / 68 mi)
Nearby towns and cities:
62 km (39 mi) SE of Sand Point (pop: 1,060) --> See nearby quakes!
118 km (73 mi) SSW of Perryville (pop: 113) --> See nearby quakes!
148 km (92 mi) SE of Nelson Lagoon (pop: 52) --> See nearby quakes!
159 km (99 mi) E of King Cove (pop: 1,010) --> See nearby quakes!
162 km (101 mi) SSW of Chignik Lake (pop: 73) --> See nearby quakes!
174 km (108 mi) SSW of Chignik Lagoon (pop: 78) --> See nearby quakes!
186 km (116 mi) E of Cold Bay (pop: 123) --> See nearby quakes!
236 km (147 mi) SSW of Port Heiden (pop: 98) --> See nearby quakes!
6145 km (3819 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6145 km (3819 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
24 km (15 mi) NW of Chernabura Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.9 x 109 joules (2.21 megawatt hours, equivalent to 1.9 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 3.428 km62 km SE of Sand Point, Alaska (USA)USGS
M 3.428 kmSouth Of Alaska (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. 3.4 earthquake - Gulf of Alaska, 39 mi southeast of Sand Point, Alaska, USA, on Wednesday, 19 August 2020 at 17:44 (GMT)
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