The intense rain triggered a landslide that covered everything in its path, bringing down trees and heavy boulders.

After a wildfire, the danger continues, especially during torrential rain that can set off fast-moving landslides known as ...

A powerful storm is bearing down on California as an atmospheric river drops through the state. While the fast-moving system ...

Southern California's strongest atmospheric river storm of the winter is arriving Thursday, and it's expected to bring ...

San Gabriel Valley areas scarred by the Eaton Fire are at “high to very high risk” of debris flows this week. How do they ...

While leaders of the OC Transportation Authority argue it’s needed to protect the coastal rail line, city leaders say the ...

When hills are healthy, vegetation anchors soil in place. But when that vegetation is burned off, hillsides become vulnerable to erosion, and slopes can come crashing down.

A major storm is targeting California with strong winds, heavy rain and mountain snow. The heaviest rain is expected Thursday ...

Southern California faces a risk of damaging debris flows this week, as a potentially strong atmospheric river is set to ...

Standing near the top of a 4,000-foot ridge above Chambers Cove, geologist Jennifer Bauer turns away from the 30-degree slope we're climbing and looks out over the valley peeking through the trees ...

Search and rescue dogs will be brought in just to make sure no one was caught in the landslide; no homes are immediately ...