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Terremoto moderato mag. 5.1 - 102 km a sud-est da Sand Point, Borough delle Aleutine orientali, Alaska, Stati Uniti, giovedì, 29 ott 2020 20:36 (GMT -8)

Questo terremoto era probabilmente un aftershock del Sismo M 7.6: 97 km a sud-est da Sand Point, Borough delle Aleutine orientali, Alaska, Stati Uniti, lunedì, 19 ott 2020 11:54 (GMT -9) che si è verificato 10 giorni prima.
Terremoto moderato mag. 5.1 - 102 km a sud-est da Sand Point, Borough delle Aleutine orientali, Alaska, Stati Uniti, giovedì, 29 ott 2020 20:36 (GMT -8) Terremoto moderato mag. 5.1 - 102 km a sud-est da Sand Point, Borough delle Aleutine orientali, Alaska, Stati Uniti, giovedì, 29 ott 2020 20:36 (GMT -8)

Terremoto moderato magnitudine 5.1 a 31 km di profondità

30 Oct 04:46 UTC: Primo a segnalare: GFZ dopo 10 minuti.
30 Oct 04:55: Ora utilizzando nuova fonte di dati: USGS
2 Nov 06:00: Ora utilizzando nuova fonte di dati: USGS
3 Nov 18:02: Ora utilizzando nuova fonte di dati: USGS

Dettagli del sismo

Data e ora30 Oct 2020 04:36:29 UTC
Ora locale all'epicentrogiovedì, 29 ott 2020 20:36 (GMT -8)
StatusConfermato
Magnitudine5.1
Prof.31.3 km
Epicentro latitudine / longitudine54.5552°N / 159.662°W (Gulf of Alaska, Stati Uniti)
Antipode54.555°S / 20.338°E
Intensità di scuotimentoScuotimento leggero vicino all'epicentro
Sentito0 rapporti
Fonte dati primariaUSGS (United States Geological Survey)
Vulcano più vicinoStepovak Bay 2 (132 km / 82 mi)
Luoghi vicini102 km SSE da Sand Point (pop: 1,060) | Mappa | Sismi nelle vicinanze
154 km SSO da Perryville (pop: 113) | Mappa | Sismi nelle vicinanze
179 km ESE da King Cove (pop: 1,010) | Mappa | Sismi nelle vicinanze
188 km SSE da Nelson Lagoon (pop: 52) | Mappa | Sismi nelle vicinanze
197 km SSO da Chignik Lake (pop: 73) | Mappa | Sismi nelle vicinanze
208 km SSO da Chignik Lagoon (pop: 78) | Mappa | Sismi nelle vicinanze
208 km ESE da Cold Bay (pop: 123) | Mappa | Sismi nelle vicinanze
243 km E da False Pass (pop: 40) | Mappa | Sismi nelle vicinanze
273 km SSO da Port Heiden (pop: 98) | Mappa | Sismi nelle vicinanze
399 km E da Akutan (pop: 1,040) | Mappa | Sismi nelle vicinanze
Energia sismica rilasciata stimata2.8 x 1012 joules (783 MWh, equivalent to 674 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.
Mag.Prof.UbicazioneFonte
5.131 km102 Km SSE of Sand Point, Alaska, USAUSGS
5.120 kmSouth Of Alaska, USAEMSC
5.224 kmSouth of Alaska, USAGeoAu
5.010 kmSouth of Alaska, USAGFZ

Seismograms

Seismic station: Kodiak Island, Alaska, USA (KDAK/II network) | Distance from quake: 566 km / 352 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.
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Knik-Fairview, Matanuska-Susitna, Alaska (974.9 km NNE of epicenter) [Map] / not felt (reported through our app)

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