Add Yahoo as a preferred source to see more of our stories on Google. A debris flow channel in a severely burned watershed in Idaho. Amirhossein Montazeri/Boise State University, CC BY-ND As the Los ...

A research team led by University of Tsukuba has developed a new method to estimate long-term debris supply from steep slopes by measuring debris accumulated on decades-old abandoned roads. Debris ...

This story was originally published by CalMatters. Sign up for their newsletters. An unusually strong storm system has reached Southern California, raising fears that the rain could unleash a threat ...

The next system will bring another round of heavy rain and snow to California on Tuesday with a third system moving in ...

The landslide that occurred in Blatten in the canton of Valais at the end of May 2025 and the one in the village of Brienz in Graubünden in June 2023 remind us of the potential for landslide hazards ...

Provo City is taking steps to ensure any mudslides triggered on the barren mountainside where the Buckley Draw Fire burned do not impact any homes or buildings in the coming months. The fire was ...

Storms now pounding Southern California are raising the specter of more danger for residents — debris flows in areas already reeling from devastating fires. Debris flows are like mudslides, except ...

As an intense storm moved through Southern California, a debris flow sent mud down Mulholland Drive in Hollywood Hills -- leading to a full closure of the roadway Thursday evening, authorities said.

The chance of major debris flowing to areas below the 2017 Thomas Fire burn scar has greatly dropped. But residents who live in flood-prone areas should still prepare for potential evacuations this ...