According to the United States Geological Survey (USGS), the quake struck at approximately 5:03 a.m. PST near the city of Hayward ... occurred along the San Andreas Fault. That second quake ...

The recent preliminary magnitude 3.0 earthquake serves as a critical reminder of the seismic environment in which we live. While this event may not have caused harm, it encourages discussions about ...

DUBLIN, Calif. (KGO) -- From Napa to Santa Cruz, many Bay Area residents say they felt the big jolt of a 3.9 earthquake on the Calaveras fault in the East Bay. It struck at 7:46 p.m. Monday night ...