Terremoto leve mag. 3.9 - Gulf of Alaska, 73 miles SSE of Sand Point, Aleutians East County, Alaska, USA, miércoles, 21 oct. 2020 -
Este terremoto probablemente fue una réplica del terremoto M 7.6 terremoto: Golfo de Alaska, 97 km al sureste de Sand Point, Borough de Aleutianas Orientales County, Alaska, Estados Unidos Mon, 19 Oct 2020 20:54que había ocurrido 1 dia 17 horas antes.
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Terremoto leve magnitud 3.9 at 21 km depth
21 Oct 19:06 UTC: Primero en informar: USGS después de 5 horas.
Fecha & hora: 21 Oct 2020 14:15:16 UTC -
Magnitud: 3.9
Profundidad: 20.7 km
Epicentro latitud / longitud: 54.3991°N / 159.6523°W
(Golfo de Alaska, Alaska, Estados Unidos)Volcán mas cercano: Dana (170 km / 106 mi)
Nearby towns and cities:
118 km al SSE de Sand Point (pop: 1,060) --> ¡Vea sismos cercanos!
171 km al S de Perryville (pop: 113) --> ¡Vea sismos cercanos!
186 km al ESE de King Cove (pop: 1,010) --> ¡Vea sismos cercanos!
204 km al SSE de Nelson Lagoon (pop: 52) --> ¡Vea sismos cercanos!
214 km al SSO de Chignik Lake (pop: 73) --> ¡Vea sismos cercanos!
215 km al ESE de Cold Bay (pop: 123) --> ¡Vea sismos cercanos!
224 km al SSO de Chignik Lagoon (pop: 78) --> ¡Vea sismos cercanos!
247 km al E de False Pass (pop: 40) --> ¡Vea sismos cercanos!
290 km al SSO de Port Heiden (pop: 98) --> ¡Vea sismos cercanos!
399 km al E de Akutan (pop: 1,040) --> ¡Vea sismos cercanos!
Fuente primaria de datos: USGS (United States Geological Survey)
Energía liberada estimada: 4.5 x 1010 joules (12.4 megawatt hours, equivalent to 10.7 tons of TNT) More info
Data for the same earthquake reported by different agencies
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| Magnitud | Profundidad | Ubicación | Fuente |
| M 3.9 | 21 km | 117 Km SSE of Sand Point, Alaska, USA | USGS |
| M 3.9 | 21 km | South Of Alaska, USA | EMSC |
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