Light mag. 3.7 earthquake - Gulf of Alaska, 75 mi southeast of Sand Point, Alaska, USA, on Tuesday, 20 October 2020 at 05:54 (GMT) -
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 9 heures earlier.
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Séisme faible magnitude 3.7 at 21 km depth
20 Oct 19:30 UTC: Premier à signaler: USGS après 14 heures.
Date & time: 20 Oct 2020 05:54:23 UTC -
Magnitude: 3.7
Profondeur: 21.0 km
Epicenter latitude / longitude: 54.3524°N / 159.7008°W
(Gulf of Alaska, Alaska, États-Unis)Volcan le plus près: Dana (173 km / 107 mi)
Nearby towns and cities:
121 km SSE de Sand Point (pop: 1,060) --> Voir les séismes à proximité!
177 km S de Perryville (pop: 113) --> Voir les séismes à proximité!
186 km ESE de King Cove (pop: 1,010) --> Voir les séismes à proximité!
207 km SSE de Nelson Lagoon (pop: 52) --> Voir les séismes à proximité!
215 km ESE de Cold Bay (pop: 123) --> Voir les séismes à proximité!
220 km SSO de Chignik Lake (pop: 73) --> Voir les séismes à proximité!
230 km SSO de Chignik Lagoon (pop: 78) --> Voir les séismes à proximité!
245 km E de False Pass (pop: 40) --> Voir les séismes à proximité!
296 km SSO de Port Heiden (pop: 98) --> Voir les séismes à proximité!
396 km E de Akutan (pop: 1,040) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.2 x 1010 joules (6.22 megawatt hours, equivalent to 5.35 tons of TNT) More info
Data for the same earthquake reported by different agencies
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| Magnitude | Profondeur | Location | Source |
| M 3.7 | 21 km | 120 Km SSE of Sand Point, Alaska, USA | USGS |
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