Moderate mag. 3.9 earthquake - Gulf of Alaska, 31 mi northeast of Simeonof Island, Aleutians East County, Alaska, USA, on Wednesday, 22 July 2020 at 19:37 (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 heures earlier.
Moderate mag. 3.9 earthquake - Gulf of Alaska, 31 mi northeast of Simeonof Island, Aleutians East County, Alaska, USA, on Wednesday, 22 July 2020 at 19:37 (GMT)

Séisme modéré magnitude 3.9 at 10 km depth

23 Jul 13:58 UTC: Premier à signaler: USGS après 18 heures.
Date & time: 22 Jul 2020 19:37:18 UTC -
Magnitude: 3.9
Profondeur: 10.0 km
Epicenter latitude / longitude: 55.0988°N / 158.5709°W (Gulf of Alaska, Alaska, États-Unis)
Volcan le plus près: Kupreanof (127 km / 79 mi)
Nearby towns and cities:
97 km SSE de Perryville (pop: 113) --> Voir les séismes à proximité!
125 km E de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
129 km S de Chignik Lake (pop: 73) --> Voir les séismes à proximité!
135 km S de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
194 km ESE de Nelson Lagoon (pop: 52) --> Voir les séismes à proximité!
205 km S de Port Heiden (pop: 98) --> Voir les séismes à proximité!
239 km E de King Cove (pop: 1,010) --> Voir les séismes à proximité!
264 km E de Cold Bay (pop: 123) --> Voir les séismes à proximité!
472 km SO de Kodiak Station (pop: 1,300) --> Voir les séismes à proximité!
483 km SO de Kodiak (pop: 6,250) --> Voir les séismes à proximité!
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.
MagnitudeProfondeurLocationSource
M 3.910 km97 km SSE of Perryville, Alaska (USA)USGS

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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