As a principal engineer for the county’s Public Works Department, Klippel’s job is to try to stop catastrophic flows of mud, ...

After the Southern California wildfires burned tens of thousands of acres last month, thousands of Angelenos are returning home for the first time in weeks.

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

When hills are healthy, vegetation can anchor the soil in place. But when that 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 ...

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

As Los Angeles closes in on containing nearly 100 percent of the wildfires that have engulfed the city for weeks, a new threat looms with heavy rains sweeping in and causing mudslides. After the first ...

Southern California will clock a few more tense hours as showers continue to soak the burn-scarred landscape around Los Angeles. While the rains are helping fight wildfires that have killed at least ...

New evidence suggests what might have started one of the historic and deadly fires this month in Southern California. Meanwhile, unusual rain Monday is causing major concerns about mudslides. Read ...

An extended period of heavy rain raised concerns over potential mudslides in recent burn scar areas, including Malibu, Altadena, and other regions over the weekend. Early Sunday afternoon, a ...

After historic winter firestorms in Southern California, a late weekend bout of rain brought conditions helpful for easing flames — though it also brought some risk of concerning debris flows ...

At one point, 31,000 people were under mandatory evacuations, which were issued in LA County by noon before being expanded to include some of neighboring Ventura County. Voluntary evacuation ...