There are fears that sooner or later, the entire Pacific coast of northern California, Oregon and Washington is due to suffer a 'big one' ...

A magnitude 3.0 earthquake rattled Contra Costa County shortly after 11:30 p.m. Wednesday, according to the United States ...

A preliminary 3.0 magnitude earthquake struck near Clayton in Contra Costa County late Tuesday night, according to the United States Geological Survey.

Climate change may influence seismic activity as melting glaciers reduce pressure on quake-prone faults Southern Colorado’s ...

Central Coast residents felt a shake on Saturday evening as an earthquake occurred along the San Andreas Fault. It happened ...

At $128bn dollar and three decades of work, the California High Speed Rail looks to be one of the most largest and complex ...