Moderate mag. 5.0 earthquake - Gulf of Alaska, 105 mi east of Sand Point, Aleutians East County, Alaska, USA, on Tuesday, 18 August 2020 at 18:28 (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 4 semaines earlier.
Moderate mag. 5.0 earthquake - Gulf of Alaska, 105 mi east of Sand Point, Aleutians East County, Alaska, USA, on Tuesday, 18 August 2020 at 18:28 (GMT)

Séisme modéré magnitude 5.0 at 42 km depth

18 Aug 18:35 UTC: Premier à signaler: USGS après 7 minutes.
Aug 18 18:43: Magnitude recalculée de 5.0 à 5.1.
Profondeur recalculée de 40.0 à 30.6 km.
Aug 18 19:13: Magnitude recalculée de 5.1 à 5.0.
Profondeur recalculée de 30.6 à 44.7 km.
Profondeur recalculée de 44.7 à 41.5 km.
Date & time: 18 Aug 2020 18:28:33 UTC -
Magnitude: 5
Profondeur: 41.5 km
Epicenter latitude / longitude: 55.0003°N / 157.9167°W (Gulf of Alaska, Alaska, États-Unis)
Volcan le plus près: Veniaminof (156 km / 97 mi)
Nearby towns and cities:
128 km SE de Perryville (pop: 113) --> Voir les séismes à proximité!
149 km SSE de Chignik Lake (pop: 73) --> Voir les séismes à proximité!
151 km SSE de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
168 km E de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
221 km SSE de Port Heiden (pop: 98) --> Voir les séismes à proximité!
235 km ESE de Nelson Lagoon (pop: 52) --> Voir les séismes à proximité!
281 km E de King Cove (pop: 1,010) --> Voir les séismes à proximité!
440 km SO de Womens Bay (pop: 719) --> Voir les séismes à proximité!
449 km SO de Kodiak Station (pop: 1,300) --> Voir les séismes à proximité!
459 km SO de Kodiak (pop: 6,250) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2 x 1012 joules (554 megawatt hours, equivalent to 477 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.
M 5.042 km127 km SE of Perryville, Alaska (USA)USGS
M 5.029 kmAlaska Peninsula (USA)GFZ
M 5.115 kmAlaska Peninsula (USA)EMSC
M 5.35 kmAlaska Peninsula (USA)GeoAu

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 since 1900

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