One of the most deadly and dangerous volcano hazards isn’t lava. Mudflows called lahars can come without clear warning.

A volcanic eruption at national park triggered explosive rock storm & ash plume forcing emergency evacuations Scientists warn of continued seismic activity ...

Millions of tonnes of ash and rock from an erupting Philippine volcano could bury nearby communities due to heavy rain, authorities said Saturday, as tens of thousands flee over fears of a deadly ...

Search operations resumed on Thursday after flash floods mixed with volcanic debris from Mount Merapi receded in Magelang, Central Java, Indonesia’s ...

Cars were swept away by volcanic mudflows during floods near Mount Merapi, leaving three people dead in Indonesia. Footage shows a lorry struggling against the fast-moving current before being dragged ...

An outpouring of magma isn’t the biggest risk to people downhill from Mount Rainier. The active volcano’s greatest danger comes from lahars — amalgams of mud, rock and water that are as dense as wet ...

The tulips of the Skagit Flats are connected to a stratovolcano high in the Cascades. Washington’s most remote stratovolcano stands high in the Cascades, 50 miles from the waters of Puget Sound. In ...

GUINOBATAN, Albay — Mudflows again swept through Barangay Masarawag in this town on Monday, Aug. 25, after hours of heavy rain from a low-pressure area (LPA), blocking roads and leaving residents ...