Terremoto moderado mag. 3.9 - 2.8 miles SSW of Cobb, Lake County, California, USA, miércoles, 12 ago. 2020 11:45

Terremoto moderado mag. 3.9 - 2.8 miles SSW of Cobb, Lake County, California, USA, miércoles, 12 ago. 2020 11:45 Terremoto moderado mag. 3.9 - 2.8 miles SSW of Cobb, Lake County, California, USA, miércoles, 12 ago. 2020 11:45

Terremoto moderado magnitud 3.9 a 4.1 km de profundidad

12 Aug 11:46 UTC: Primero en informar: USGS después de 59 secundos.
Aug 12 11:49: Magnitud recalculada de 4.1 a 4.0.
Profundidad recalculada de 8.0 a 4.1 km.
Aug 12 11:51: Magnitud recalculada de 4.0 a 3.9.

Detalles del terremoto

Fecha y hora12 Aug 2020 11:45:43 UTC
Hora local en el epicentro
StatusConfirmado
Magnitud3.9
Prof.4.1 km
Epicentro latitud / longitud38.78667°N / 122.74917°W (Condado de Lake, California, Estados Unidos)
Antipode38.787°S / 57.251°E
Intensidad del temblorTemblor débil
Sentido3 informes
Fuente primaria de datosUSGS (United States Geological Survey)
Volcán mas cercanoClear Lake (21 km / 13 mi)
Lugares cercanos5 km al SSO de Cobb (pop: 1,780) | En el mapa | Sismos cercanos
17 km al O de Hidden Valley Lake (pop: 5,580) | En el mapa | Sismos cercanos
22 km al SSO de Clearlake (Lake County) (pop: 15,200) | En el mapa | Sismos cercanos
22 km al NNE de Russian River (Sonoma County) (pop: 11,700) | En el mapa | Sismos cercanos
22 km al NNE de Russian River (pop: 11,700) | En el mapa | Sismos cercanos
27 km al NNE de Windsor (Sonoma County) (pop: 27,500) | En el mapa | Sismos cercanos
39 km al N de Santa Rosa (pop: 175,000) | En el mapa | Sismos cercanos
50 km al N de Rohnert Park (pop: 42,400) | En el mapa | Sismos cercanos
68 km al NO de Napa (pop: 80,400) | En el mapa | Sismos cercanos
111 km al ONO de Sacramento (pop: 490,700) | En el mapa | Sismos cercanos
Energía sísmica estimada liberada4.5 x 1010 joules (12.4 MWh, equivalente a 10.7 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
3.94.1 km1km NNE of The Geysers, CA (USA)USGS
3.94 kmNorthern California (USA)EMSC

User reports for this quake (10)

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5655 Saint Helena Road, Santa Rosa CA / Weak shaking (MMI III) : I did not feel a "shaking" at all, but only one powerful jerk/thrust.  
cobb / Light shaking (MMI IV) : woke me up  
Santa Rosa, CA / Very weak shaking (MMI II)
Noe Valley (United States, 119 km S of epicenter) : Just a light jiggle in SF (reported through EMSC)  
Lower Lake (United States, 18 km NE of epicenter) : I FELT A LITTLE SHAKE IN OUR TRAILER...I THOUGHT IT WAS A TREMOR AT THE TIME... (reported through EMSC)  
San Francisco (United States of America, 114 km S of epicenter) : Mild shake, 5 seconds long. (reported through EMSC)  
Ross (United States, 91 km S of epicenter) : Was sound asleep but a small shake plus rattling sound woke me up. (reported through EMSC)  
Suisun (United States, 87 km SE of epicenter) : Was in the tub, not sure if I was feeling a shake, but looked up to see toner sloshing in bottle a little. No reaction from Chihuahuas and cat. (reported through EMSC)  
Napa (United States, 67 km SE of epicenter) : Minor back and forth for less than 5 seconds. In bed, St. Helena. (reported through EMSC)  
Santa Rosa (United States of America, 36 km S of epicenter) : I was awake but lying down. Sharp jolt felt from North, wall mounted shelves on brackets made cracking sound as jolt felt. Slight swaying motion to room briefly upon standing. (reported through EMSC)  
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