Inside the area that a large Mount Rainier mudflow would inundate, 78,049 people live, according to a federal tally of the ...

Darrington, Rockport, Concrete, Sedro-Woolley, Burlington, Mount Vernon and La Conner share one geographic fact: each lies in ...

Add Yahoo as a preferred source to see more of our stories on Google. Danger from Mount Rainier isn't always born from smoke and ash. According to the United States Geological Survey, the last ...

BACOLOD CITY, NEGROS OCCIDENTAL, Philippines — Heavy rains triggered lahar flows along the slopes of Kanlaon Volcano on Tuesday, prompting 167 residents in Negros Occidental and Negros Oriental to ...

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 ...

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 ...

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 ...

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 ...

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 ...