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

An 18-foot-deep sinkhole opened up in Ontario, covering an entire intersection and forcing a major street to shut down.

On Friday, the storied coastal road had dissolved into a river of mud and debris after a powerful rainstorm sent those burned ...

The heaviest rain slammed into the region Thursday night into early Friday morning, triggering flash floods and mudslides ...

Evacuation orders and warnings have gone into effect for burn scar areas across Southern California as heavy rainfall threatens dangerous debris flows.

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

More than 100 homes were under mandatory evacuation orders in the city of Los Angeles, Jim McDonnell, the Los Angeles police ...

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

A 4.5 magnitude earthquake and other smaller quakes rocked the Humboldt County coastline in Northern California on Feb. 11 and 12. What's happening?

Several cities in Southern California are expecting heavy bouts of rain Wednesday through Friday, with the flash flood risk increased in burned areas. In January, several massive wildfires tore ...

Southern California finally received some much-needed rain this week after weeks of historically dry, windy weather fueled this month's deadly wildfire outbreak — but with it came the threat of ...