Experts say one major action California residents can take to reduce the risk of earthquake damage and injuries is to ...

According to the U.S. Geological Survey, a 2.1 magnitude quake struck close to Petrolia Saturday morning. It was reported ...

The aftershock occurred in the area of the original Monday morning 4.3-magnitude earthquake on the Hayward Fault.

The Gas Company Tower is one of L.A.'s tallest buildings at risk of substantial damage in a major quake. The costs of retrofitting the high-rise is estimated at almost $300 million.

MINERAL COUNTY, NV - Thursday night, a 3.8 magnitude quake was detected close to Walker Lake, according to the U.S.

To use fiber optic cables this way, researchers partner with a company running the cables — in this case, Vero Fiber Networks — and attach a box containing a laser and a computer. The laser sends ...

An earthquake swept through California’s San Francisco Bay Area yesterday, and scientists say that more could impact the ...

The highest hazard areas are near major, active faults. But strong and damaging shaking is "possible anywhere in California." ...