Sismo debile mag. 3.4 - Gulf of Alaska, 99 km a ovest da Kodiak , Alaska, Stati Uniti, sábbato, 13 febbraio 2021 -

Questo terremoto era probabilmente un aftershock del M 5.3 terremoto: Gulf of Alaska, 99 km a ovest da Kodiak , Alaska, Stati Uniti, Sat, 13 Feb 2021 13:08che si è verificato 11 minuti prima.
Sismo debile mag. 3.4 - Gulf of Alaska, 99 km a ovest da Kodiak , Alaska, Stati Uniti, sábbato, 13 febbraio 2021

Sismo debile magnitudine 3.4 at 29 km depth

13 Feb 13:24 UTC: Primo a segnalare: EMSC dopo 5 minuti.
13 Feb 13:25: Ora utilizzando nuova fonte di dati: USGS
... [show all] ...
13 Feb 21:56: Magnitudine ricalcolata da 3.6 a 3.4. Profondità ricalcolata da 34.8 a 29.3 km (da 22 a 18.2 mi). Posizione dell'epicentro corretta di 13 km (8.3 mi) al NNE.
Data & ora: 13 Feb 2021 13:20:02 UTC -
Ora locale a epicentro: Saturday, 13 Feb 2021 04:20 (GMT -9)
Magnitudine: 3.4
Profondità: 29.3 km
Epicentro latitudine / longitudine: 57.1423°N / 155.0596°W (Gulf of Alaska, Alaska, Stati Uniti)
Vulcano più vicino: Unnamed 57.87°N/155.42°W (94 km / 58 mi)
Nearby towns and cities:
58 km ONO da Akhiok (pop: 72) --> Vedi sismi vicini
60 km SO da Karluk (pop: 37) --> Vedi sismi vicini
79 km SO da Larsen Bay (pop: 88) --> Vedi sismi vicini
106 km O da Old Harbor (pop: 221) --> Vedi sismi vicini
155 km OSO da Womens Bay (pop: 719) --> Vedi sismi vicini
163 km OSO da Kodiak Station (pop: 1,300) --> Vedi sismi vicini
174 km OSO da Kodiak (pop: 6,250) --> Vedi sismi vicini
345 km SO da Homer (pop: 5,520) --> Vedi sismi vicini
348 km SO da Anchor Point (pop: 1,930) --> Vedi sismi vicini
362 km SO da Fritz Creek (pop: 1,930) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Overcast Clouds 2.8°C (37 F), humidity: 79%, wind: 13 m/s (25 kts) from E
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 7.9 x 109 joules (2.21 megawatt hours, equivalent to 1.9 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.
3.429 kmAlaska Peninsula, USAUSGS

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