Debris flow shuts down Mulholland Drive in Hollywood Hills, officials say
As an intense storm moved through Southern California, a debris flow sent mud down Mulholland Drive in Hollywood Hills -- ...
What to Know About Debris Flows
After a wildfire, the danger continues, especially during torrential rain that can set off fast-moving landslides known as ...
Storm bringing risk of mudslides, debris flows to trigger evacuation warnings in LA burn scars
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 ...
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Hike a Volcanic Landscape at This National Park
bubbling cauldrons of mud. Until Mount St. Helens blew in 1980, Lassen's eruption was the most recent volcanic explosion in the lower 48 states. Ecologists now study Lassen's landscape to see what ...