Moderate mag. 4.9 earthquake - 81 mi southeast of Sand Point, Aleutians East County, Alaska, on 20 Oct 7:37 pm (GMT -11) -

This quake was likely an aftershock of the 7.6 quake Gulf of Alaska, 60 mi southeast of Sand Point, Aleutians East County, Alaska, USA, 19 Oct 2020 11:54 am (GMT -9), which had occurred 1 jour 10 heures earlier.
Moderate mag. 4.9 earthquake - 81 mi southeast of Sand Point, Aleutians East County, Alaska, on 20 Oct 7:37 pm (GMT -11)

Séisme modéré magnitude 4.9 at 15 km depth

21 Oct 06:48 UTC: Premier à signaler: GFZ après 10 minutes.
21 Oct 06:52: Maintenant en utilisant une nouvelle source de données: USGS
Date & time: 21 Oct 2020 06:37:35 UTC -
Local time at epicenter: 20 Oct 7:37 pm (GMT -11)
Magnitude: 4.9
Profondeur: 15.0 km
Epicenter latitude / longitude: 54.277°N / 159.6023°W (Océan Pacifique Nord, États-Unis)
Volcan le plus près: Dana (183 km / 114 mi)
Nearby towns and cities:
131 km SSE de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
184 km S de Perryville (pop: 113) --> Voir les séismes à proximité!
195 km ESE de King Cove (pop: 1,010) --> Voir les séismes à proximité!
217 km SSE de Nelson Lagoon (pop: 52) --> Voir les séismes à proximité!
224 km ESE de Cold Bay (pop: 123) --> Voir les séismes à proximité!
226 km SSO de Chignik Lake (pop: 73) --> Voir les séismes à proximité!
236 km SSO de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
254 km ESE de False Pass (pop: 40) --> Voir les séismes à proximité!
303 km SSO de Port Heiden (pop: 98) --> Voir les séismes à proximité!
452 km SO de Akhiok (pop: 72) --> Voir les séismes à proximité!
Weather at epicenter at time of quake:
Overcast Clouds 7.4°C (45 F), humidity: 72%, wind: 10 m/s (20 kts) from ENE
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.4 x 1012 joules (392 megawatt hours, equivalent to 338 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 4.915 km131 Km SSE of Sand Point, Alaska, USAUSGS
M 4.915 kmSouth Of Alaska, USAEMSC
M 5.025 kmSouth of Alaska, USAGFZ

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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