As seismologists review available data, they often revise the earthquake's reported magnitude and update shake-severity maps. The location ... precisely the same epicenter because of changes ...

Did you feel it? The earthquake was detected at 12:35 p.m., and its epicenter was tracked to 5.6 miles east northeast of San ...

The 3.6 magnitude quake struck at 7:02 a.m. off the coast of San Francisco, with its epicenter ... the Bay Area to Baja California, Mexico. The 6.9-magnitude Loma Prieta Earthquake in October ...

California was hit by an earthquake Friday as the state battled deadly wildfires earlier this week. A 3.7 magnitude quake was detected near the San Francisco Bay area around 7:02am PT.