Terremoto moderato mag. 4.7 - Gulf of Alaska, 96 km a ovest da Akhiok, Borough di Kodiak Island County, Alaska, Stati Uniti, martedì, 20 ottobre 2020 -

Terremoto moderato mag. 4.7 - Gulf of Alaska, 96 km a ovest da Akhiok, Borough di Kodiak Island County, Alaska, Stati Uniti, martedì, 20 ottobre 2020

Terremoto moderato magnitudine 4.7 at 0 km depth

20 Oct 04:12 UTC: Primo a segnalare: USGS dopo 5 minuti.
20 Oct 04:17: Magnitudine ricalcolata da 3.7 a 4.7. Profondità ricalcolata da 15.3 a 0.1 km (da 9.5 a 0.1 mi). Posizione dell'epicentro corretta di 389 km (242 mi) al NE.
Data & ora: 20 Oct 2020 04:07:34 UTC -
Ora locale a epicentro: 19 Oct 8:07 pm (GMT -8)
Magnitudine: 4.7
Profondità: 0.1 km
Epicentro latitudine / longitudine: 56.9487°N / 155.7547°W (Gulf of Alaska, Alaska, Stati Uniti)
Vulcano più vicino: Dana (195 km / 121 mi)
Nearby towns and cities:
96 km O da Akhiok (pop: 72) --> Vedi sismi vicini
210 km OSO da Kodiak Station (pop: 1,300) --> Vedi sismi vicini
222 km OSO da Kodiak (pop: 6,250) --> Vedi sismi vicini
344 km NE da Sand Point (pop: 1,060) --> Vedi sismi vicini
387 km SO da Homer (pop: 5,520) --> Vedi sismi vicini
389 km SO da Anchor Point (pop: 1,930) --> Vedi sismi vicini
405 km SO da Fritz Creek (pop: 1,930) --> Vedi sismi vicini
464 km SO da Kalifornsky (pop: 7,850) --> Vedi sismi vicini
478 km SO da Soldotna (pop: 4,540) --> Vedi sismi vicini
492 km SO da Sterling (pop: 5,620) --> Vedi sismi vicini
146 km OSO da Kodiak Island (pop: 13,600) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Clear Sky 8.3°C (47 F), humidity: 71%, wind: 5 m/s (10 kts) from NNW
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 7.1 x 1011 joules (197 megawatt hours, equivalent to 169 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.
MagnitudineProfonditàUbicazioneFonte
M 4.70.1 km96 Km W of Akhiok, Alaska, USAUSGS
M 5.68 kmSouth Of Alaska, USAEMSC

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
388.4 km NE of epicenter [Map] / not felt (reported through our app)
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Earlier earthquakes in the same area

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