Moderate mag. 4.8 earthquake - 47 mi southwest of Sand Point, Aleutians East County, Alaska, on Wednesday, 29 July 2020 at 13:09 (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 7 jours earlier.
Moderate mag. 4.8 earthquake - 47 mi southwest of Sand Point, Aleutians East County, Alaska, on Wednesday, 29 July 2020 at 13:09 (GMT)

Séisme modéré magnitude 4.8 at 37 km depth

29 Jul 13:40 UTC: Premier à signaler: USGS après 32 minutes.
Date & time: 29 Jul 2020 13:09:10 UTC -
Magnitude: 4.8
Profondeur: 37.1 km
Epicenter latitude / longitude: 54.7508°N / 161.0895°W (Gulf of Alaska, États-Unis)
Volcan le plus près: Pavlof (84 km / 52 mi)
Nearby towns and cities:
75 km SSO de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
86 km ESE de King Cove (pop: 1,010) --> Voir les séismes à proximité!
115 km ESE de Cold Bay (pop: 123) --> Voir les séismes à proximité!
139 km S de Nelson Lagoon (pop: 52) --> Voir les séismes à proximité!
149 km E de False Pass (pop: 40) --> Voir les séismes à proximité!
178 km SO de Perryville (pop: 113) --> Voir les séismes à proximité!
222 km SO de Chignik Lake (pop: 73) --> Voir les séismes à proximité!
237 km SO de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
311 km ENE de Akutan (pop: 1,040) --> Voir les séismes à proximité!
366 km ENE de Unalaska (pop: 4,490) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1 x 1012 joules (278 megawatt hours, equivalent to 239 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 5.134 kmAlaska Peninsula (USA)GFZ
M 4.845 kmAlaska Peninsula (USA)EMSC
M 4.837 km75 km SSW of Sand Point, Alaska (USA)USGS

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Sterling / Very weak shaking (MMI II)
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Earlier earthquakes in the same area

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