Mag. 4.4 earthquake - Gulf of Alaska, 12 mi northeast of Little Koniuji Island, Aleutians East County, Alaska, USA, on Wednesday, 22 July 2020 at 15:31 (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 9 hours earlier.
Mag. 4.4 earthquake - Gulf of Alaska, 12 mi northeast of Little Koniuji Island, Aleutians East County, Alaska, USA, on Wednesday, 22 July 2020 at 15:31 (GMT)

Light magnitude 4.4 earthquake at 35 km depth

22 Jul 18:00 UTC: First to report: USGS after 2 hours and 29 minutes.
Jul 22 21:44: Magnitude recalculated from 3.9 to 4.4.
Hypocenter depth recalculated from 30.0 to 34.8 km.
Date & time: 22 Jul 2020 15:31:08 UTC -
Magnitude: 4.4
Depth: 34.8 km
Epicenter latitude / longitude: 55.1634°N / 159.2379°W (Gulf of Alaska, Alaska, United States)
Nearest volcano: Stepovak Bay 2 (102 km / 63 mi)
Nearby towns and cities:
82 km (51 mi) ESE of Sand Point (pop: 1,060) --> See nearby quakes!
83 km (52 mi) S of Perryville (pop: 113) --> See nearby quakes!
125 km (78 mi) SSW of Chignik Lake (pop: 73) --> See nearby quakes!
135 km (84 mi) SSW of Chignik Lagoon (pop: 78) --> See nearby quakes!
196 km (122 mi) E of King Cove (pop: 1,010) --> See nearby quakes!
436 km (271 mi) ENE of Akutan (pop: 1,040) --> See nearby quakes!
492 km (306 mi) ENE of Unalaska (pop: 4,490) --> See nearby quakes!
511 km (317 mi) WSW of Kodiak (pop: 6,250) --> See nearby quakes!
6101 km (3791 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
6101 km (3791 mi) NW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
20 km (12 mi) NNE of Little Koniuji Island --> See nearby quakes!
47 km (29 mi) NNE of Chernabura Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.5 x 1011 joules (69.8 megawatt hours, equivalent to 60 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 4.435 km82 km ESE of Sand Point, Alaska (USA)USGS
M 4.510 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. 4.4 earthquake - Gulf of Alaska, 12 mi northeast of Little Koniuji Island, Aleutians East County, Alaska, USA, on Wednesday, 22 July 2020 at 15:31 (GMT)
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