Terremoto leve mag. 4.2 - 107 Km SE of Sand Point, Alaska, USA, jueves, 24 sep. 2020 -

Este terremoto probablemente fue una réplica del terremoto M 7.8 terremoto: 105 km SSE of Perryville, Alaska (USA) Wed, 22 Jul 2020 06:12que había ocurrido 9 semanas antes.
Terremoto leve mag. 4.2 - 107 Km SE of Sand Point, Alaska, USA, jueves, 24 sep. 2020

Terremoto leve magnitud 4.2 at 27 km depth

24 Sep 15:56 UTC: Primero en informar: USGS después de 47 minutos.
Fecha & hora: 24 Sep 2020 15:09:22 UTC -
Hora local al epicentro: 24 Sep 9:01 am (GMT -7)
Magnitud: 4.2
Profundidad: 27.1 km
Epicentro latitud / longitud: 54.6745°N / 159.2702°W (Alaska, Estados Unidos)
Volcán mas cercano: Stepovak Bay 2 (146 km / 91 mi)
Nearby towns and cities:
108 km al SE de Sand Point (pop: 1,060) --> ¡Vea sismos cercanos!
138 km al S de Perryville (pop: 113) --> ¡Vea sismos cercanos!
179 km al S de Chignik Lake (pop: 73) --> ¡Vea sismos cercanos!
188 km al SSO de Chignik Lagoon (pop: 78) --> ¡Vea sismos cercanos!
200 km al E de King Cove (pop: 1,010) --> ¡Vea sismos cercanos!
425 km al E de Akutan (pop: 1,040) --> ¡Vea sismos cercanos!
480 km al ENE de Unalaska (pop: 4,490) --> ¡Vea sismos cercanos!
537 km al SO de Kodiak Station (pop: 1,300) --> ¡Vea sismos cercanos!
547 km al SO de Kodiak (pop: 6,250) --> ¡Vea sismos cercanos!
547 km al SO de Saint Paul (pop: 6,250) --> ¡Vea sismos cercanos!
Fuente primaria de datos: USGS (United States Geological Survey)
Energía liberada estimada: 1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 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.
MagnitudProfundidadUbicaciónFuente
M 4.227 km107 Km SE of Sand Point, Alaska, USAUSGS
M 4.740 kmSouth Of Alaska, USAEMSC

User reports for this quake (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Chignik Bay (188.1 km NNE of epicenter) [Map] / Light shaking (MMI IV) / vibration and rolling / 20-30 s : Rolling side to side slight rapid bumping vibrations in an up and down motion, as well, with the quake coming in two separate fluxes, each beginning with a jolt, but the second jolt was slightly more powerful. The jolts were less than 10 seconds apart from each other. It disturbed our older dog at rest, but our puppy slept right through it. Our two cats didn’t seem to visibly react with running our bolting around, but stayed put in their beds.
Chignik Bay (188.1 km NNE of epicenter) [Map] / Light shaking (MMI IV) / vibration and rolling / 20-30 s : Rolling side to side slight rapid bumping vibrations in an up and down motion, as well, with the quake coming in two separate fluxes, each beginning with a jolt, but the second jolt was slightly more powerful. The jolts were less than 10 seconds apart from each other. It disturbed our older dog at rest, but our puppy slept right through it. Our two cats didn’t seem to visibly react with running our bolting around, but stayed put in their beds.
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