"Don't count on having a lot of time," a city spokesperson said about the warning system.

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 was quiet Wednesday morning. The lahar siren at a Puyallup fire station was not. The lahar-warning system at the station at 311 W. Pioneer went off about 10 a.m. The Puyallup Police ...

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 ...

MANILA, Philippines —No reports of lahar from Mayon Volcano have emerged after several days of rain, but state volcanologists have urged caution, as the possibility remains. In a public briefing on ...

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 — Lahar flows were monitored in at least four waterways surrounding Kanlaon Volcano in the last couple of days, according to the Philippine Institute of Volcanology and Seismology ...