Moderato terremoto magnitudine 5.1 - 128 km southeast da Sand Point, Aleutians East County, Alaska, USA, mercoledì, 21 ottobre 2020 -

Questo terremoto era probabilmente un aftershock del M 7.6 terremoto: 97 Km SE of Sand Point, Alaska, USA Mon, 19 Oct 20h54 che si è verificato 1 giorno 4 ore prima.
Moderato terremoto magnitudine 5.1 - 128 km southeast da Sand Point, Aleutians East County, Alaska, USA, mercoledì, 21 ottobre 2020

Moderate magnitude 5.1 earthquake at 20 km depth

21 Oct 01:28 UTC: Primo a segnalare: GFZ dopo 11 minuti.
21 Oct 01:33: Ora utilizzando nuova fonte di dati: USGS
Data & ora: 21 Oct 2020 01:17:54 UTC -
Ora locale a epicentro: 20 Oct 2:17 pm (GMT -11)
Magnitudine: 5.1
Profondità: 19.6 km
Epicentro latitudine / longitudine: 54,3055°N / 159,6246°W (Stati Uniti)
Vulcano più vicino: Dana (184 km / 114 mi)
Nearby towns and cities:
113 km SSE da Unga (Aleutians East County)
128 km SSE da Sand Point (Aleutians East County) (pop: 1,060)
181 km S da Perryville (Lake and Peninsula County) (pop: 113)
193 km ESE da King Cove (Aleutians East County) (pop: 1,010)
222 km ESE da Cold Bay (Aleutians East County) (pop: 123)
453 km E da Unalaska (Aleutians West County) (pop: 4,490)
592 km SW da Kodiak (pop: 6,250)
733 km S da Bethel (pop: 6,450)
Weather at epicenter at time of quake:
Overcast Clouds 7.7°C (46 F), humidity: 69%, wind: 8 m/s (15 kts) from E
Fonte dati primaria: USGS
Stima dell'energia sismica liberata: 2,8 x 1012 joules (783 megawatt hours, equivalent to 674 tons of TNT) [saperne di più]
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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 5.120 km127 Km SSE of Sand Point, Alaska, USAUSGS
M 5.110 kmSouth Of Alaska, USAEMSC
M 5.114 kmSouth of Alaska, USAGeoAu
M 4.810 kmSouth of Alaska, USAGFZ

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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Anchorage (952.3 km NNE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 5-10 s : Felt like a train going by. | One user found this interesting. (reported through our app)
997 km NNE of epicenter [Map] / not felt (reported through our app)
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Earlier earthquakes in the same area

Moderate mag. 5.1 earthquake - 79 mi southeast of Sand Point, Aleutians East County, Alaska, USA, on 20 Oct 2:17 pm (GMT -11)
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