Light mag. 4.0 earthquake - Gulf of Alaska, 23 mi south of Shumagin s Island, Aleutians East County, Alaska, USA, on Wednesday, 22 July 2020 at 07:42 (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 1 heure et 29 minutes earlier.
Light mag. 4.0 earthquake - Gulf of Alaska, 23 mi south of Shumagin s Island, Aleutians East County, Alaska, USA, on Wednesday, 22 July 2020 at 07:42 (GMT)

Séisme faible magnitude 4.0 at 27 km depth

22 Jul 09:08 UTC: Premier à signaler: USGS après 1 heure et 26 minutes.
Date & time: 22 Jul 2020 07:42:13 UTC -
Magnitude: 4
Profondeur: 27.3 km
Epicenter latitude / longitude: 54.839°N / 160.2298°W (Gulf of Alaska, Alaska, États-Unis)
Volcan le plus près: Dana (109 km / 68 mi)
Nearby towns and cities:
58 km SSE de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
136 km E de King Cove (pop: 1,010) --> Voir les séismes à proximité!
138 km SSO de Perryville (pop: 113) --> Voir les séismes à proximité!
143 km SSE de Nelson Lagoon (pop: 52) --> Voir les séismes à proximité!
163 km ESE de Cold Bay (pop: 123) --> Voir les séismes à proximité!
183 km SSO de Chignik Lake (pop: 73) --> Voir les séismes à proximité!
195 km SSO de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
367 km ENE de Akutan (pop: 1,040) --> Voir les séismes à proximité!
422 km ENE de Unalaska (pop: 4,490) --> Voir les séismes à proximité!
572 km OSO de Kodiak Station (pop: 1,300) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 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.
MagnitudeProfondeurLocationSource
M 4.027 kmAlaska Peninsula (USA)USGS
M 4.027 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

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