After a wildfire, the danger continues, especially during torrential rain that can set off fast-moving landslides known as debris flows. By Amy Graff Amy Graff is a San Francisco-based reporter on The ...

Mudslides are dangerous torrents that are usually referred to by geologists and first responders as debris flows. They have been particularly lethal in parts of California where landscape, climate, ...

HAYWOOD COUNTY, N.C. — Standing along Dix Creek Road, even five months after Helene’s wrath, the storm’s left a lasting scar on the mountainside. Uprooted trees, boulders scoured from the bedrock and ...

PORTLAND, Ore. (KTVZ) —The National Weather Service has issued a Flash Flood Watch for portions of Central and Eastern Oregon beginning at 2 p.m. PDT and continuing through this evening. Heavy ...

The landslide behind my neighbor’s backyard doesn’t exist—not according to the New York State landslide map or Greene County’s hazard-mitigation plan or the federal inventory managed by the U.S.

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 ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. An unusually strong storm system has ...

Looking down the Leavens Creek watershed, where a fatal debris flow event occurred following the Eagle Creek Fire. Notice the steep, rocky channels and waterfalls that debris flows travel down. In the ...

More than 4,500 people in Eugene-Springfield live on existing deep landslides. A new landslide research center based at University of Michigan is collaborating with University of Oregon and others to ...

Another atmospheric river is set to flow into the Pacific Northwest later this week, bringing with it the potential for landslides and debris flows. It is going to be "pretty darn damp toward the ...

Research in the U.S. Southwest could expand lifesaving efforts for hazards that follow wildfires across the globe. Students and researchers assisted Luke McGuire, left, a geology professor at the ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. A dangerous atmospheric river is ...