Strong mag. 5.3 earthquake - Gulf of Alaska, 96 mi east of Sand Point, Aleutians East County, Alaska, USA, on Saturday, 8 August 2020 at 12:52 (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 2 semaines earlier.
Strong mag. 5.3 earthquake - Gulf of Alaska, 96 mi east of Sand Point, Aleutians East County, Alaska, USA, on Saturday, 8 August 2020 at 12:52 (GMT)

Tremblement de terre fort magnitude 5.3 at 25 km depth

8 Aug 12:58 UTC: Premier à signaler: USGS après 5 minutes.
Aug 8 13:10: Magnitude recalculée de 5.3 à 5.4.
Profondeur recalculée de 2.0 à 20.6 km.
Aug 8 13:24: Magnitude recalculée de 5.4 à 5.3.
Profondeur recalculée de 20.6 à 24.7 km.
Date & time: 8 Aug 2020 12:52:58 UTC -
Magnitude: 5.3
Profondeur: 24.7 km
Epicenter latitude / longitude: 54.8011°N / 158.2608°W (Gulf of Alaska, Alaska, États-Unis)
Volcan le plus près: Kupreanof (156 km / 97 mi)
Nearby towns and cities:
136 km SSE de Perryville (pop: 113) --> Voir les séismes à proximité!
154 km ESE de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
165 km SSE de Chignik Lake (pop: 73) --> Voir les séismes à proximité!
169 km S de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
229 km SE de Nelson Lagoon (pop: 52) --> Voir les séismes à proximité!
239 km S de Port Heiden (pop: 98) --> Voir les séismes à proximité!
261 km E de King Cove (pop: 1,010) --> Voir les séismes à proximité!
288 km E de Cold Bay (pop: 123) --> Voir les séismes à proximité!
480 km SO de Kodiak Station (pop: 1,300) --> Voir les séismes à proximité!
491 km SO de Kodiak (pop: 6,250) --> Voir les séismes à proximité!
414 km SO de Kodiak Island (pop: 13,600) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5.6 x 1012 joules (1.56 gigawatt hours, equivalent to 1344 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 5.325 km135 km SSE of Perryville, Alaska (USA)USGS
M 5.425 kmSouth of Alaska (USA)GeoAu
M 5.420 kmSouth of Alaska (USA)GFZ
M 5.426 kmSouth Of Alaska (USA)EMSC

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
136.3 km NNW of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
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Earlier earthquakes in the same area since 1900


Map of earlier quakes

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