Moderado terremoto magnitud 5.7 - 47 Km ESE of Nikolski, Alaska, USA, jueves, 08 oct. 2020 -

Moderado terremoto magnitud 5.7 - 47 Km ESE of Nikolski, Alaska, USA, jueves, 08 oct. 2020

Moderate magnitude 5.7 earthquake at 37 km depth

8 Oct 14:29 UTC: Primero en informar: USGS después de 7 minutos.
8 Oct 14:30: Magnitud recalculada de 5.1 a 5.2. Profundidad recalculada de 37.0 a 17.6 km (de 23 a 10.9 mi). Ubicación del epicentro corregida 15 km (9.3 mi) al S.
8 Oct 14:40: Magnitud recalculada de 5.2 a 5.7. Profundidad recalculada de 17.6 a 37.0 km (de 10.9 a 23 mi). Ubicación del epicentro corregida 8.9 km (5.5 mi) al WNW.
Fecha & hora: 8 Oct 2020 02:22:39 UTC -
Hora local al epicentro: 8 Oct 3:22 am (GMT -11)
Magnitud: 5.7
Profundidad: 37.0 km
Epicentro latitud / longitud: 52,7184°N / 168,2558°W (Alaska, Estados Unidos)
Volcán mas cercano: Recheschnoi (60 km / 37 mi)
Nearby towns and cities:
48 km al ESE de Nikolski (pop: 18)
172 km al SW de Unalaska (pop: 4,490)
227 km al SW de Akutan (pop: 1,040)
454 km al SW de Cold Bay (pop: 123)
468 km al WSW de King Cove (pop: 1,010)
577 km al ENE de Adak (pop: 332)
584 km al WSW de Sand Point (pop: 1,060)
2193 km al W de Juneau (pop: 32,800)
Weather at epicenter at time of quake:
Light Rain 8.6°C (47 F), humidity: 71%, wind: 15 m/s (29 kts) from W
Fuente primaria de datos: USGS
Energía liberada estimada: 2,2 x 1013 joules (6,22 gigawatt hours, equivalent to 5351 tons of TNT or 0,3 atomic bombs!) 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 5.737 km47 Km ESE of Nikolski, Alaska, USAUSGS
M 5.744 kmFox Islands, Aleutian Islands, USAEMSC
M 5.628 kmFox Islands, Aleutian Islands, USAGFZ
M 5.645 kmFox Islands, Aleutian Islands, USAGeoAu
M 5.810 kmFox Islands, Aleutian Islands, USABMKG

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Dutch Harbor, Unalaska (172.2 km NE of epicenter) [Map] / Weak shaking (MMI III)
Volcanoes & Earthquakes - new app for Android

Aftershocks of the M 5.7 terremoto: 47 Km ESE of Nikolski, Alaska, USA Thu, 8 Oct 14h22

More info
Recorded aftershocks, latest first (4 quakes):
  • 30 nov 2020 17:00 UTC
    | M 4.8 |
    56,9 km (35,4 mi) depth
    14 km (9 mi) distance
    | USGS | Details
  • 30 nov 2020 04:59 UTC
    | M 5.5 |
    30,9 km (19,2 mi) depth
    7 km (5 mi) distance
    | USGS | Details
  • 01 nov 2020 19:35 UTC
    | M 3.9 |
    35 km (21,7 mi) depth
    4 km (2 mi) distance
    | USGS | Details
  • 23 oct 2020 03:16 UTC
    | M 4.0 |
    35 km (21,7 mi) depth
    9 km (5 mi) distance
    | USGS | Details

Earlier earthquakes in the same area since 1900

Moderado terremoto magnitud 5.7 - 47 Km ESE of Nikolski, Alaska, USA, jueves, 08 oct. 2020

Map of earlier quakes

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