Slow-moving slides are common around the world, and especially in California, where several hundred have been mapped in ...

California has been rocked by at least nine earthquakes since Thursday, raising fears that the "Big One" could be near.

Residents of a Southern California mountain community near the Eaton Fire burn scar were digging out of roads submerged in ...

10:20 a.m.: After a storm drenched Southern California, mud and debris flow hit the Palisades Fire burn scar zone. Caltrans said they have issued a hard closure of PCH between Chautauqua Boulevard and ...

Officials are grappling with the aftermath of the atmospheric river which caused mudslides and floods, especially in areas impacted by wildfires.

Researchers at Stanford University developed a new method to measure water levels in the state’s aquifers using readily available seismic data.

A third earthquake struck California in less than six hours, this one rocking the city of Hayward near San Francisco and San ...

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