Moderato terremoto magnitudine 5.3 - 72 Km SW of Atka, Alaska, USA, giovedì, 01 ottobre 2020 -

Moderato terremoto magnitudine 5.3 - 72 Km SW of Atka, Alaska, USA, giovedì, 01 ottobre 2020

Moderate magnitude 5.3 earthquake at 46 km depth

1 Oct 10:35 UTC: Primo a segnalare: GFZ dopo 10 minuti.
1 Oct 10:37: Magnitudine ricalcolata da 5.3 a 5.5. Posizione dell'epicentro corretta di 5.2 km (3.3 mi) al NNW.
1 Oct 10:40: Ora utilizzando nuova fonte di dati: USGS
1 Oct 14:56: Magnitudine ricalcolata da 5.2 a 5.3. Profondità ricalcolata da 39.3 a 45.6 km (da 24 a 28 mi). Posizione dell'epicentro corretta di 2.5 km (1.6 mi) al ENE.
Data & ora: 1 Oct 2020 10:25:08 UTC -
Magnitudine: 5.3
Profondità: 45.6 km
Epicentro latitudine / longitudine: 51,7326°N / 174,9395°W (Alaska, Stati Uniti)
Vulcano più vicino: Koniuji (56 km / 35 mi)
Nearby towns and cities:
118 km E da Adak (pop: 332)
434 km WSW da Nikolski (pop: 18)
613 km WSW da Isola di Unalaska (pop: 4,490)
669 km WSW da Akutan (pop: 1,040)
2640 km W da Juneau (pop: 32,800)
Weather at epicenter at time of quake:
Scattered Clouds 8.1°C (47 F), humidity: 76%, wind: 9 m/s (18 kts) from NW
Fonte dati primaria: USGS
Stima dell'energia sismica liberata: 5,6 x 1012 joules (1,56 gigawatt hours, equivalent to 1344 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.
M 5.346 km72 Km SW of Atka, Alaska, USAUSGS
M 5.252 kmAndreanof Islands, Aleutian Is., USAEMSC
M 5.356 kmAndreanof Islands, Aleutian Islands, USAGeoAu
M 5.410 kmAndreanof Islands, Aleutian Islands, USABMKG

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
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Aftershocks of the 5.3 quake 72 Km SW of Atka, Alaska, USA, 1 October 10:25 UTC

More info
Recorded aftershocks, latest first (1 quakes):
  • 03 Oct 2020 02:33 UTC
    | M 3.7 |
    35 km (21.7 mi) depth
    9 km (6 mi) distance
    | USGS | Details

Earlier earthquakes in the same area since 1900

Moderate mag. 5.3 earthquake - 72 Km SW of Atka, Alaska, USA, on Thursday, 1 October 2020 at 10:25 (GMT)

Map of earlier quakes

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