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 ...

Mudflow: Water rushing down with only mud. This is considered a type of shallow landslide — less than 15 feet deep. Debris flow: When water rapidly flows downhill and picks up rocks, branches ...

“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 ...

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

There are various types of landslides, including a mudflow, in which water rushes down with only mud, and is generally less than 15 feet deep. During a debris flow, water picks up not only mud as ...

There are various types of landslides, including a mudflow, in which water rushes down with only mud, and is generally less than 15 feet deep. During a debris flow, water picks up not only mud as ...

Several landslides were reported Sunday in the Los ... “Based on their updates and warning regarding roads, and mudflow issues and continued rain, the decision was made to close schools tomorrow ...