A video shared by the Orange County Department of Public Works shows rocks, sections of trees and mud covering Trabuco Canyon ...

This reservoir is tapped by one or several conduits, along which fluid-rich mud ascends because it is less dense than the surrounding rock. The mud that reaches the surface may form small mounds ...

Unedited Sky5 footage of workers clearing tons of mud, rocks and debris from the Sierra Madre Dam in Little Santa Anita ...

But when that protective blanket is burned off, hillsides become vulnerable to erosion, and slopes can come crashing down in a torrent of mud, rocks and dead branches like whitewater rapids ...

Mud, mud, mud everywhere. Deep mud that only gets deeper as more and more vehicles traverse it. Steep climbs over slime-like mud. Banked, mud-covered turns better suited for a short-track speedway.

Suburbs decimated by the California wildfires have gone from smoldering to flooded after a powerful rainstorm turned scorched hillsides into rivers of mud and rocks. Parts of Los Angeles got as ...

“Mud, rock, and debris flows will have the potential to impact drainages, roads, and residences in and directly below the burn area.” Beleaguered Los Angeles Mayor Karen Bass also issued a ...