One of the most deadly and dangerous volcano hazards isn’t lava. Mudflows called lahars can come without clear warning.

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 ...

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 ...

MANILA, Philippines — With Typhoon Tino threatening Negros Island, the Philippine Institute of Volcanology and Seismology warned residents that lahar from Kanlaon Volcano may flow into several areas ...

TEMPO.CO, Jakarta - The Geological Agency, part of the Ministry of Energy and Mineral Resources (ESDM), reported that a lahar flow from Mount Lewotobi Laki-laki impacted Klatanlo and Dulipali villages ...

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 ...

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 ...

LEGAZPI CITY—Local government and disaster response officials in Albay have stepped up precautions against possible lahar flows as Tropical Storm “Ada” threatens to bring heavy rains to the province.