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 ...

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

For years, authorities debated building a barrier to protect the Klabava River, south of Prague, from sediment and acidic ...

Rain on burned hillslopes can trigger dangerous floods and debris flows. Those debris flows can move with the speed of a ...

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

Deep beneath the icy waters of the Barents Sea, scientists have made an extraordinary discovery—a long-hidden mud volcano ...

The sediment flows into Big Chico Creek from upstream of the Five Mile Dam, creating a situation where neither the city nor ...

LOS ANGELES (AP) — Rain eased Monday after Southern California’s first significant storm of the season brought downpours that aided firefighters but caused ash and mud to flow across streets ...

Bees, wasps, and hornets have found unique ways to survive in habitats all around the world. Mud daubers are a type of wasp that has developed a particularly interesting nesting behavior — they ...

These mud volcanoes are often accompanied by sediment plumes visible from space. Their activity, although less spectacular than that of traditional volcanoes, plays a key role in the region's ...