Salinas is about a 105-mile drive southeast from San Francisco, in the Monterey Bay area. Magnitude measures the energy released at the source of the earthquake, the U.S. Geological Survey says.

KTVU meteorologist Mark Tamayo looks at each fault in the Bay Area, including the San Andreas and Calaveras, and the region's ...

The authorities said there were no initial reports of damage from the quake, which struck in the hills west of Malibu.

While the three quakes near Petrolia struck a relatively quiet part of northern California, the ones in Hayward are in an area ... quake. The Hayward Fault runs along the foot of the East Bay ...

Southern California experienced 15 seismic sequences with at least one magnitude 4 or higher earthquake — the highest total ...