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, ...

BACOLOD CITY—Over 1,000 residents were preemptively evacuated in Negros Occidental on Friday morning as more than 1,000 sea ...

MANILA, Philippines – State volcanologists on Friday warned residents near Kanlaon Volcano of possible lahar as Tropical ...

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 ...

Mount Rainier’s newly-approved lahar detection upgrades will have a quirk: A couple of stations planted right in the likely paths of mudslides. In other words, researchers will be putting their Mt.

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 ...

The snowcapped peak of Mount Rainier, which towers 4.3 kilometers (2.7 miles) above sea level in Washington state, has not produced a significant volcanic eruption in the past 1,000 years. Yet, more ...

The Puyallup River valley can expect monthly chimes in lieu of blaring sirens going forward. Pierce County has upgraded the lahar siren system to include blue strobe lights, a voice message and a few ...