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Terremoto moderato mag. 5.0 - 89 Km SE of Sand Point, Alaska, USA, 20 Oct 12:37 am (GMT -8)

Terremoto moderato mag. 5.0 - 89 Km SE of Sand Point, Alaska, USA, 20 Oct 12:37 am (GMT -8) Terremoto moderato mag. 5.0 - 89 Km SE of Sand Point, Alaska, USA, 20 Oct 12:37 am (GMT -8)

Terremoto moderato magnitudine 5.0 a 33 km di profondità

20 Oct 08:44 UTC: Primo a segnalare: USGS dopo 7 minuti.
20 Oct 08:50: Magnitudine ricalcolata da 5.1 a 5.0. Profondità ricalcolata da 17.0 a 33.3 km (da 10.6 a 21 mi). Posizione dell'epicentro corretta di 4.4 km (2.7 mi) al SSW.

Dettagli del sismo

Data e ora20 Oct 2020 08:37:14 UTC
Ora locale all'epicentro20 Oct 12:37 am (GMT -8)
Prof.33.3 km
Epicentro latitudine / longitudine54.6484°N / 159.6909°W (Alaska, Stati Uniti)
Antipode54.648°S / 20.309°E
Intensità di scuotimentoScuotimento leggero vicino all'epicentro
Sentito0 rapporti
Fonte dati primariaUSGS (United States Geological Survey)
Vulcano più vicinoStepovak Bay 2 (142 km / 88 mi)
Luoghi vicini92 km SE da Sand Point (pop: 1,060) | Mappa | Sismi nelle vicinanze
145 km SSO da Perryville (pop: 113) | Mappa | Sismi nelle vicinanze
174 km ESE da King Cove (pop: 1,010) | Mappa | Sismi nelle vicinanze
178 km SE da Nelson Lagoon (pop: 52) | Mappa | Sismi nelle vicinanze
188 km SSO da Chignik Lake (pop: 73) | Mappa | Sismi nelle vicinanze
199 km SSO da Chignik Lagoon (pop: 78) | Mappa | Sismi nelle vicinanze
203 km ESE da Cold Bay (pop: 123) | Mappa | Sismi nelle vicinanze
240 km E da False Pass (pop: 40) | Mappa | Sismi nelle vicinanze
264 km SSO da Port Heiden (pop: 98) | Mappa | Sismi nelle vicinanze
398 km E da Akutan (pop: 1,040) | Mappa | Sismi nelle vicinanze
Meteo all'epicentro al momento del sismoClear Sky 7.7°C (46 F), humidity: 61%, wind: 7 m/s (13 kts) from NNW
Energia sismica rilasciata stimata2 x 1012 joules (554 MWh, equivalent to 477 tons of TNT) | about seismic energy
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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.
5.033 km89 Km SE of Sand Point, Alaska, USAUSGS
5.230 kmSouth of Alaska, USAGFZ
5.027 kmSouth Of Alaska, USAEMSC
5.025 kmSouth of Alaska, USAGeoAu


Seismic station: Kodiak Island, Alaska, USA (KDAK/II network) | Distance from quake: 560 km / 348 mi | Show on map | Station Info
Seismic station Kodiak Island, Alaska, USA: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Knik-Fairview, Matanuska-Susitna, Alaska (967.3 km NNE of epicenter) [Map] / not felt (reported through our app)

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