An earthquake with a magnitude of 4.0 has struck just north of the city of El Cerrito, Calif.
The earthquake was measured a depth of 8 kilometers, reported the USGS.
BART trains and services were temporarily delayed, while engineers and workers inspect the tracks for safety. Many people reported feeling the earthquake, but it is not known if there are any casualties, injuries or damage as a result.
Residents began taking to Twitter to announce the earthquake as El Cerrito began trending.
I SURVIVED THE EL CERRITO WAKE 'N QUAKE OF '12, wrote Twitter user TK.
go, mother nature! just east of el cerrito. right on the fault. magnitude 4.0, wrote Twitter user Erin Blackwell.
My shaky wake up call seemed to last for 30 sec+, wrote Twitter user Amanda Walter.
According to USGS, the epicenter of the quake was approximately a mile from Richmond Heights.
In the past 10 days, there have been at least two earthquakes with a magnitude of 3.0 or greater in nearby areas, reported L.A. Times.