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, ...

Who will stop the Rain-ier? Scientists are warning that Washington’s Mount Rainier could unleash a catastrophic mudslide that has the potential to devastate three large towns within minutes. Often ...

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 ...

TROUT LAKE — As Pat Arnold plucked weeds from her yard with a view of snow-capped Mount Adams, she navigated around large boulders that hint at the volcano’s destructive past. Over the course of ...

PUYALLUP, Wash. — Thousands of lives are potentially at risk if Mount Rainier were to erupt and on Thursday, students in Pierce County practiced how they would escape if lahars began pushing through ...

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.

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 ...