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Terremoto leve mag. 3.4 - 15 miles SSE of Livermore, Alameda County, California, USA, miércoles, 28 sep 2022 10:02 (GMT -7) -

Terremoto leve mag. 3.4 - 15 miles SSE of Livermore, Alameda County, California, USA, miércoles, 28 sep 2022 10:02 (GMT -7) Terremoto leve mag. 3.4 - 15 miles SSE of Livermore, Alameda County, California, USA, miércoles, 28 sep 2022 10:02 (GMT -7)

Terremoto leve magnitud 3.4 a 7.6 km de profundidad

28 Sep 17:04 UTC: Primero en informar: USGS después de 3 minutos.
28 Sep 19:22: Profundidad recalculada de 7.2 a 7.6 km (de 4.5 a 4.7 mi).

Detalles del terremoto

Fecha y hora28 Sep 2022 17:02:02 UTC -
Hora local en el epicentromiércoles, 28 sep 2022 10:02 (GMT -7)
StatusConfirmado
Magnitud3.4
Prof.7.6 km
Epicentro latitud / longitud37.5°N / 121.62067°W (Condado de Alameda, California, Estados Unidos)
Antipode37.5°S / 58.379°E
Intensidad del temblorTemblor débil
Sentido2 informes
Fuente primaria de datosUSGS (United States Geological Survey)
Volcán mas cercanoClear Lake (192 km / 119 mi)
Lugares cercanos22 km al NE de East Foothills (pop: 8,270) | En el mapa | Sismos cercanos
24 km al SSE de Livermore (pop: 88,100) | En el mapa | Sismos cercanos
26 km al ENE de Milpitas (pop: 77,600) | En el mapa | Sismos cercanos
29 km al SE de Pleasanton (pop: 79,500) | En el mapa | Sismos cercanos
30 km al NE de San José (pop: 1,026,900) | En el mapa | Sismos cercanos
33 km al E de Fremont (pop: 232,200) | En el mapa | Sismos cercanos
77 km al ESE de San Francisco (pop: 864,800) | En el mapa | Sismos cercanos
121 km al S de Sacramento (pop: 490,700) | En el mapa | Sismos cercanos
Tiempo en el epicentro en el momento del sismoFew Clouds 16.5°C (62 F), humidity: 29%, wind: 2 m/s (3 kts) from WNW
Energía sísmica estimada liberada7.9 x 109 joules (2.21 MWh, equivalente a 1.9 toneladas de 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.
RevistaProf.UbicaciónFuente
3.47.6 km24km NE of Alum Rock, CAUSGS
3.47 kmNORTHERN CALIFORNIAEMSC
3.47.6 kmCentral CaliforniaRaspberryShake

Seismograms

Seismic station: San Andreas Geophysical Obs., Hollister, CA, USA (SAO/BK network) | Distance from quake: 83 km / 52 mi | Show on map | Station Info
Seismic station San Andreas Geophysical Obs., Hollister, CA, 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 (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Oakland, California (67 km NW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / very short : Felt unsteady although sitting down and the dog woke up. Assumed it was a waste collection truck driving by.  
Livermore ca / Very weak shaking (MMI II) / single vertical bump / very short : One hard bump. No shaking. | One user found this interesting.  

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