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Sismo debile mag. 3.9 - 33 km a sud ovest da Homer, Borough della Penisola di Kenai, Alaska, Stati Uniti, lunedì, 23 mag 2022 01:10 (GMT -8) -

Sismo debile mag. 3.9 - 33 km a sud ovest da Homer, Borough della Penisola di Kenai, Alaska, Stati Uniti, lunedì, 23 mag 2022 01:10 (GMT -8) Sismo debile mag. 3.9 - 33 km a sud ovest da Homer, Borough della Penisola di Kenai, Alaska, Stati Uniti, lunedì, 23 mag 2022 01:10 (GMT -8)

Sismo debile magnitudine 3.9 a 54 km di profondità

23 May 09:12 UTC: Primo a segnalare: USGS dopo 2 minuti.
23 May 09:14: Profondità ricalcolata da 53.3 a 47.1 km (da 33 a 29 mi). Posizione dell'epicentro corretta di 1.3 km (0.8 mi) al S.
... [show all] ...
23 May 09:29: Magnitudine ricalcolata da 4.2 a 3.9.
Update Mon, 23 May 2022, 09:21
Small magnitude 3.9 quake hits 21 miles southwest of Homer, Alaska, United States early morning
3.9 quake 23 May 1:10 am (GMT -8)
3.9 quake 23 May 1:10 am (GMT -8)
An earthquake of magnitude 3.9 occurred only 10 minutes ago 21 miles southwest of Homer, Alaska, United States, the United States Geological Survey reported.
The quake hit at a moderately shallow depth of 27 miles beneath the epicenter near Homer, Kenai Peninsula, Alaska, USA, early morning on Monday, May 23rd, 2022, at 1:10 am local time. 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.
Our monitoring service identified a second report from the citizen-seismograph network of RaspberryShake which listed the quake at magnitude 3.9 as well. A third agency, the European-Mediterranean Seismological Centre (EMSC), reported the same quake at magnitude 3.9.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include English Bay (pop. 250) located 13 miles from the epicenter, Seldovia (pop. 280) 15 miles away, Port Graham (pop. 180) 15 miles away, Anchor Point (pop. 1,900) 20 miles away, Homer (pop. 5,500) 21 miles away, Diamond Ridge (pop. 1,200) 22 miles away, Kachemak (pop. 490) 25 miles away, and Fritz Creek (pop. 1,900) 32 miles away.

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Earthquake data

Dettagli del sismo

Data e ora23 May 2022 09:10:53 UTC -
Ora locale all'epicentrolunedì, 23 mag 2022 01:10 (GMT -8)
StatusConfermato
Magnitudine3.9
Prof.53.7 km
Epicentro latitudine / longitudine59.5205°N / 152.0754°W (Gulf of Alaska, Alaska, Stati Uniti)
Antipodo59.521°S / 27.925°E
Intensità di scuotimentoScuotimento leggero
Sentito4 rapporti
Fonte dati primariaUSGS (United States Geological Survey)
Vulcano più vicinoAugustine (79 km / 49 mi)
Luoghi vicini20 km NNO da English Bay (pop: 254) | Mappa | Sismi nelle vicinanze
23 km ONO da Seldovia (pop: 277) | Mappa | Sismi nelle vicinanze
32 km SSO da Anchor Point (pop: 1,930) | Mappa | Sismi nelle vicinanze
33 km OSO da Homer (pop: 5,520) | Mappa | Sismi nelle vicinanze
42 km SO da Nikolaevsk (pop: 318) | Mappa | Sismi nelle vicinanze
50 km OSO da Fritz Creek (pop: 1,930) | Mappa | Sismi nelle vicinanze
109 km SSO da Kalifornsky (pop: 7,850) | Mappa | Sismi nelle vicinanze
223 km SSO da Alaska City (pop: 298,700) | Mappa | Sismi nelle vicinanze
Meteo all'epicentro al momento del sismoClear Sky 11.8°C (53 F), humidity: 50%, wind: 3 m/s (5 kts) from S
Energia sismica rilasciata stimata4.5 x 1010 joules (12.4 MWh, equivalent to 10.7 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
3.954 kmSouthern AlaskaUSGS
4.268 kmSOUTHERN ALASKAEMSC
3.954 kmSouthern AlaskaRaspberryShake
4.654 kmSouthern AlaskaGFZ

User reports for this quake (4)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Translate
HOMER / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s (reported through our app)
Best western homer AK / Light shaking (MMI IV) / rattling, vibrating / very short
Anchor Point / Weak shaking (MMI III) / horizontal (sideways) swinging / very short
Homer, AK / Light shaking (MMI IV) : A jolt that woke me up  
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