After a wildfire, the danger continues, especially during torrential rain that can set off fast-moving landslides known as debris flows. By Amy Graff Amy Graff is a San Francisco-based reporter on ...

Construction debris and ash will be targeted for removal from fire damaged properties in the Pacific Palisades as part of Phase 2 of cleanup operations, which start this week. So far, more than ...

One person was hospitalized when a large debris flow in Malibu pushed a Los Angeles Fire Department vehicle into the Pacific Ocean in the midst of a powerful rainstorm. It happened just after 5 p ...

Heavy rainfall expected on Thursday and Friday has triggered warnings about fire-scarred hillsides unleashing torrents of mud, boulders and debris from the torched slopes Debris flow risk ...

An atmospheric river forecasters say is likely to be the strongest in nearly a year is set to unleash rain across Southern California this week, heightening concerns of damaging debris flows in ...

In addition to the evacuation warnings across Southern California, preparations aimed at preventing debris flow disaster are underway before the worst conditions from California’s storm arrive ...

Water, debris and boulders rushed down the mountains and canyons of Southern California causing damage along the way. The risk of rock and mudslides on wildfire-scarred hillsides continues as ...

Southern California faces the continued risk of rock and mudslides on wildfire-scarred hillsides Friday, a day after heavy rains sent debris across several roadways, including the Pacific Coast ...

The SUV was caked in mud, its windshield streaked with dried debris. Dents and scrapes covered the sides and its front bumper hung loose from the impact. The famed Duke’s restaurant in Malibu ...

Triggered by intense bouts of rainfall, these debris flows — as well as flash floods — become more likely to occur after an intense wildfire has scorched an area’s slopes and vegetation.

Rain on burned hillslopes can trigger dangerous floods and debris flows. Those debris flows can move with the speed of a freight train, picking up or destroying anything in their path. They can ...