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Terremoto moderato mag. 4.9 - 10.1 km a ovest da Poway, Contea di San Diego County, Contea di Kern, Stati Uniti, martedì, 23 nov 2021 20:37 (GMT -8) -

Terremoto moderato mag. 4.9 - 10.1 km a ovest da Poway, Contea di San Diego County, Contea di Kern, Stati Uniti, martedì, 23 nov 2021 20:37 (GMT -8) Terremoto moderato mag. 4.9 - 10.1 km a ovest da Poway, Contea di San Diego County, Contea di Kern, Stati Uniti, martedì, 23 nov 2021 20:37 (GMT -8)

Terremoto moderato magnitudine 4.9 a 1.3 km di profondità

24 Nov 15:46 UTC: Primo a segnalare: USGS dopo 11 ore.

Dettagli del sismo

Data e ora24 Nov 2021 04:37:21 UTC -
Ora locale all'epicentromartedì, 23 nov 2021 20:37 (GMT -8)
StatusConfermato
Magnitudine4.9
Prof.1.3 km
Epicentro latitudine / longitudine32.94483°N / 117.14183°W (Contea di San Diego, Contea di Kern, Stati Uniti)
Antipode32.945°S / 62.858°E
Intensità di scuotimentoScuotimento forte vicino all'epicentro
Sentito1 rapporto
Fonte dati primariaUSGS (United States Geological Survey)
Vulcano più vicinoSalton Buttes (145 km / 90 mi)
Luoghi vicini10 km OSO da Poway (pop: 50,200) | Mappa | Sismi nelle vicinanze
17 km SE da Encinitas (pop: 62,900) | Mappa | Sismi nelle vicinanze
20 km NO da Santee (pop: 57,800) | Mappa | Sismi nelle vicinanze
20 km SSO da Escondido (pop: 151,500) | Mappa | Sismi nelle vicinanze
22 km S da San Marcos (pop: 92,900) | Mappa | Sismi nelle vicinanze
24 km NO da El Cajon (pop: 103,700) | Mappa | Sismi nelle vicinanze
26 km N da San Diego (pop: 1,394,900) | Mappa | Sismi nelle vicinanze
740 km SE da Sacramento (pop: 490,700) | Mappa | Sismi nelle vicinanze
Energia sismica rilasciata stimata1.4 x 1012 joules (392 MWh, equivalent to 338 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
4.91.3 km10km WSW of Poway, CAUSGS
4.91.3 kmCalif.-Baja Calif. Border RegionRaspberryShake

Seismograms

Seismic station: Pinon Flat, California, USA (PFO/II network) | Distance from quake: 98 km / 61 mi | Show on map | Station Info
Seismic station Pinon Flat, California, 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 (11)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Solana Beach, CA. / not felt : This is surely some kind of error. I was sitting home alone, and I surely would have felt something, 8 miles from the epicenter of a 4.9 quake! | 3 users found this interesting.  
Del Mar (11.3 km W of epicenter) [Map] / not felt : Nothing | One user found this interesting.  
Costa Mesa, ca / not felt : Nothing | One user found this interesting. (reported through our app)  
Murphys / not felt : I felt a quake a little after 9 am | One user found this interesting.  
Phoenix, Arizona 85035 / not felt : Didn't feel a thing... | One user found this interesting. (reported through our app)  
San Diego / not felt : We felt nothing. We only got the alert a few minutes ago got this quake! | One user found this interesting.  
Canoga Park, Los Angeles, California (194.7 km NW of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Ramona ,ca / not felt
4S ranch/del Sur / not felt
Watching TV / not felt
San Diego / not felt

Earlier earthquakes in the same area

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