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

While much of the nation deals with snow storms and icy conditions, California braces for heavy rain and potential flooding.

A person has died after a vehicle crashed into the Delta at Little Potato Slough in San Joaquin County on Wednesday, the sheriff's office said.

An evacuation warning will be in effect starting Thursday morning for parts of the Palisades, Sunset and Hurst fire burn ...

Residents in burn scar areas should be ready to evacuate if needed. City and county agencies have readied streets for debris ...

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

This USGS map shows the point at which the tectonic plates ... warning that extended from Oregon to just north of Santa Cruz.

It wasn't only Antonia de la Ascensión who made this strange error. Juan de Iturbe, who explored parts of California in 1615, ...

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

Areas charred by last month's wildfires in Southern California now face a new threat from a powerful, but fast-moving Pacific ...