Terremoto moderato mag. 4.1 - Gulf of Alaska, 82 km a sud-est da Sand Point, Borough delle Aleutine orientali County, Alaska, Stati Uniti, martedì, 20 ottobre 2020 -
Questo terremoto era probabilmente un aftershock del M 7.6 terremoto: Gulf of Alaska, 97 km a sud-est da Sand Point, Borough delle Aleutine orientali County, Alaska, Stati Uniti Mon, 19 Oct 2020 20:54che si è verificato 6 ore prima.
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Terremoto moderato magnitudine 4.1 at 15 km depth
20 Oct 03:16 UTC: Primo a segnalare: USGS dopo 18 minuti.
Data & ora: 20 Oct 2020 02:57:50 UTC -
Ora locale a epicentro: 19 Oct 6:57 pm (GMT -8)
Magnitudine: 4.1
Profondità: 15.2 km
Epicentro latitudine / longitudine: 54.6887°N / 159.8929°W
(Gulf of Alaska, Alaska, Stati Uniti)Vulcano più vicino: Dana (135 km / 84 mi)
Nearby towns and cities:
82 km SSE da Sand Point (pop: 1,060) --> Vedi sismi vicini
144 km SSO da Perryville (pop: 113) --> Vedi sismi vicini
161 km ESE da King Cove (pop: 1,010) --> Vedi sismi vicini
168 km SSE da Nelson Lagoon (pop: 52) --> Vedi sismi vicini
188 km SSO da Chignik Lake (pop: 73) --> Vedi sismi vicini
189 km ESE da Cold Bay (pop: 123) --> Vedi sismi vicini
386 km ENE da Akutan (pop: 1,040) --> Vedi sismi vicini
440 km ENE da Isola di Unalaska (pop: 4,490) --> Vedi sismi vicini
566 km SO da Kodiak Station (pop: 1,300) --> Vedi sismi vicini
577 km SO da Kodiak (pop: 6,250) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Clear Sky
8.4°C (47 F), humidity: 68%, wind: 7 m/s (13 kts) from NW
Fonte dati primaria: USGS (United States Geological Survey)Clear Sky
8.4°C (47 F), humidity: 68%, wind: 7 m/s (13 kts) from NWStima dell'energia sismica liberata: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 tons of TNT) More info
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.
| Magnitudine | Profondità | Ubicazione | Fonte |
| M 4.1 | 15 km | 81 Km SSE of Sand Point, Alaska, USA | USGS |
| M 4.1 | 15 km | South Of Alaska, USA | EMSC |
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