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.

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

A massive amount of rainwater and mud was unleashed onto Pacific Coast Highway on Thursday, sweeping an L.A. Fire Department ...

Evacuation orders remain in place for some areas as the risk of mudslide and debris flows remains from heavy rain overnight ...

As a powerful storm slammed into Southern California, mudslides were triggered across the region, especially in the Palisades Fire and Eaton Fire burn scars. Other areas across Los Angeles and Orange ...

Much-needed rain has begun to fall over Southern California, bringing relief to the drought-stricken region but also the ...

With heavy rain bringing the risk of dangerous debris flows, the Los Angeles Fire Department has announced evacuation warnings — and mandatory evacuation orders for some specific addresses — in areas ...

A “major” mudflow swept over a road and left debris in its wake near Rancho Santa Margarita in Orange County, California, overnight into Friday morning, February 14, as heavy rains fell across the ...

“Landslide” is an all-encompassing term that can describe any movement of rock, dirt or debris downhill. But there are a few distinct varieties, as defined by hydrologists: Mudflow: Water ...