Washington’s intense bout with record-breaking temperatures likely triggered a glacial mudslide on Mount Rainer. Monitors registered the lahar Tuesday afternoon, saying it lasted for hours. Lahars, ...

A University of Washington professor says the heartbreaking images of death and devastation coming from the Guatemalan volcano and lahar should serve as an urgent warning to be familiar with a local ...

Experts fear that Mount Rainier could unleash deadly mudflows and flatten three nearby towns within minutes.

SEATTLE — Editor's note: The above video on the USGS adding more lahar detection sites at Mount Rainier National Park originally aired June 8, 2021. SEATTLE - Western Washington is virtually ...

In the shadow of Washington State's Mount Rainier, about 90,000 people live in the path of a potential large lahar—a destructive, fluid and fast-moving debris flow associated with volcanic slopes. At ...

MANILA, Philippines — With the potential heavy rains that may be brought by Tropical Storm Caloy, the Philippine National Police (PNP) is preparing for possible lahar flows and other public safety ...

Lahar flow may be experienced in areas near Mayon Volcano in Albay and Kanlaon Volcano in Negros Island amid the rains from Tropical Depression Verbena and the shear line, the PHIVOLCS said on Monday.

BACOLOD CTY, Philippines — Heavy rain spawned by a low-pressure area (LPA) and the southwest monsoon sent lahar and mud deposits cascading down the slopes of Kanlaon Volcano in Negros Occidental on ...