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Terremoto forte mag. 5.3 - Bering Sea, 28 km a est da Saint George, Aleutians West, Alaska, Stati Uniti, lunedì, 4 lug 2022 01:17 (GMT -8) -

Terremoto forte mag. 5.3 - Bering Sea, 28 km a est da Saint George, Aleutians West, Alaska, Stati Uniti, lunedì,  4 lug 2022 01:17 (GMT -8) Terremoto forte mag. 5.3 - Bering Sea, 28 km a est da Saint George, Aleutians West, Alaska, Stati Uniti, lunedì,  4 lug 2022 01:17 (GMT -8)

Terremoto forte magnitudine 5.3 a 9.4 km di profondità

4 Jul 09:25 UTC: Primo a segnalare: USGS dopo 8 minuti.
4 Jul 09:33: Magnitudine ricalcolata da 5.6 a 5.3. Profondità ricalcolata da 5.0 a 9.4 km (da 3.1 a 5.8 mi). Posizione dell'epicentro corretta di 3.3 km (2 mi) al ENE.
Update Mon, 4 Jul 2022, 09:30

Significant earthquake of magnitude 5.6 just reported 16 miles east of Saint George, Alaska, United States

5.6 quake 4 Jul 1:17 am (GMT -8)
5.6 quake 4 Jul 1:17 am (GMT -8)
The United States Geological Survey reported a magnitude 5.6 quake in the United States near Saint George, Aleutians West, Alaska, only 12 minutes ago. The earthquake hit early morning on Monday, July 4th, 2022, at 1:17 am local time at a very shallow depth of 3.1 miles. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
A second report was later issued by France's Réseau National de Surveillance Sismique (RéNaSS), which listed it as a magnitude 5.1 earthquake. Other agencies reporting the same quake include the European-Mediterranean Seismological Centre (EMSC) at magnitude 5.0, the citizen-seismograph network of RaspberryShake at magnitude 5.6, and the German Research Centre for Geosciences (GFZ) at magnitude 5.1.
Based on the preliminary seismic data, the quake should have been widely felt by almost everyone in the area of the epicenter. It might have caused light to moderate damage.
Moderate shaking probably occurred in Saint George (pop. 100) located 16 miles from the epicenter.
Weak shaking might have been felt in Saint Paul (pop. 480) located 56 miles from the epicenter.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.

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Dettagli del sismo

Data e ora4 Jul 2022 09:17:43 UTC -
Ora locale all'epicentrolunedì, 4 lug 2022 01:17 (GMT -8)
StatusConfermato
Magnitudine5.3
Prof.9.4 km
Epicentro latitudine / longitudine56.6337°N / 169.0876°W (Bering Sea, Alaska, Stati Uniti)
Antipode56.634°S / 10.912°E
Intensità di scuotimentoScuotimento leggero
Sentito2 rapporti
Fonte dati primariaUSGS (United States Geological Survey)
Vulcano più vicinoSt. Paul Island (95 km / 59 mi)
Luoghi vicini28 km E da Saint George (pop: 102) | Mappa | Sismi nelle vicinanze
91 km SE da Saint Paul (pop: 479) | Mappa | Sismi nelle vicinanze
345 km NNO da Dutch Harbor (pop: 4,380) | Mappa | Sismi nelle vicinanze
347 km NNO da Isola di Unalaska (pop: 4,490) | Mappa | Sismi nelle vicinanze
348 km NO da Akutan (pop: 1,040) | Mappa | Sismi nelle vicinanze
407 km ONO da False Pass (pop: 40) | Mappa | Sismi nelle vicinanze
428 km ONO da Cold Bay (pop: 123) | Mappa | Sismi nelle vicinanze
94 km SE da Saint Paul Island (pop: 532) | Mappa | Sismi nelle vicinanze
Meteo all'epicentro al momento del sismoLight Rain 7.1°C (45 F), humidity: 97%, wind: 7 m/s (14 kts) from SSW
Energia sismica rilasciata stimata5.6 x 1012 joules (1.56 GWh, equivalent to 1344 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
5.39.4 km28 Km E of Saint George, AlaskaUSGS
5.39 kmPribilof Islands, Alaska RegionGFZ
5.39.4 kmPribilof Islands, Alaska RegionRaspberryShake
5.312 kmPRIBILOF ISLANDS, ALASKA REGIONEMSC
5.110 kmNear AnchorageRENASS
5.410 kmPribilof Islands, Alaska RegionGeoAu

Seismograms

Seismic station: Adak, Aleutian Islands, Alaska (ADK/IU network) | Distance from quake: 722 km / 449 mi | Show on map | Station Info
Seismic station Adak, Aleutian Islands, Alaska: 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 (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Translate
St George Island,Ak / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Felt the rumble then shaking! Pretty scary since how we we rarely get earthquakes out here. St.George Island  
St. Paul alaska (90.4 km NW of epicenter) [Map] / Weak shaking (MMI III)

Aftershocks

[More info]

Scosse di assestamento, piu recenti per prima (5 in tutto)

Data e oraMag.
Prof.
UbicazioneDettagli
8 lug 2022 13:32
12 settimane fa
3.9

19 km
Bering Sea, 18 km NE da Saint George, Aleutians West, Alaska, Stati UnitiPiù
6 lug 2022 21:26
13 settimane fa
3.2

10 km
Bering Sea, 24 km E da Saint George, Aleutians West, Alaska, Stati UnitiPiù
5 lug 2022 04:25
13 settimane fa
4.0

10 km
Bering Sea, 28 km E da Saint George, Aleutians West, Alaska, Stati UnitiPiù
4 lug 2022 09:39
13 settimane fa
3.9

37 km
Bering Sea, 13 km NE da Saint George, Aleutians West, Alaska, Stati UnitiPiù
4 lug 2022 09:19
13 settimane fa
5.2

10 km
Bering Sea, 23 km E da Saint George, Aleutians West, Alaska, Stati UnitiPiù

Earlier earthquakes in the same area

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