A minor, 3.5-magnitude earthquake struck in Southern California on Saturday, according to the United States Geological Survey ...

An earthquake with a preliminary magnitude of 3.5, the third above 3.0 in Southern California in the last several hours, struck the Inland Empire on Saturday afternoon. According to the U.S.

A series of small earthquakes shook the San Francisco Bay Area on Thursday, according to the United States Geological Survey.

An earthquake with a preliminary magnitude of 3.5 rattled the L.A. metropolitan area early Saturday just hours after a ...

In some areas, hazards have surged. Buildings in the highest hazard zones will be subject to the strictest fire-resiliency rules.

Mudslides are dangerous torrents that are usually referred to by geologists and first responders as debris flows.

NASA scientists used satellite measurements to map out local subsidence and uplift across the Golden State, which plays into ...

California is riddled with a number of fault lines that frequently cause earthquakes, including Arrowhead, Waterman Canyon, ...

An atmospheric river is expected to hit California later this week, bringing heavy rain and wind to much of the state.

The highest potential for naturally occurring hydrogen is in the Midcontinent Rift system, which runs through central parts ...