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 ...

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 ...

A new report from the Department of Natural Resources estimates that a volcanic mudflow, known as a ‘"lahar," from Mount Rainier could produce property losses of up to $6 billion to communities in the ...

LEGAZPI CITY – Roads affected by the lahar flow triggered by heavy rains in Guinobatan, Albay, are now passable following clearing operations on Wednesday. The Department of Public Works and Highways ...

LEGAZPI CITY—Heavy rain triggered another lahar flow in villages near the Mayon Volcano in Guinobatan town in Albay on Thursday afternoon. Joy Maravillas, head of the municipal disaster risk reduction ...

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 ...

Something stirred beneath Mount Rainier this summer, sending over 1,000 earthquakes through the ground in weeks—the largest ...

Lahar is an Indonesian word for a rapidly flowing mixture of rock debris and water that originates on the slopes of a volcano. Lahars are also referred to as volcanic mudflows or debris flows. They ...

NEGROS OCCIDENTAL (PIA) –- Lahar flow hit at least two barangays in the Kanlaon-affected La Castellana town, as the Philippine Atmospheric Geophysical and Astronomical Services Administration (PAGASA) ...

TACOMA — Pierce County is moving to a new centralized lahar warning system — one that could replace the jolting wail of sirens with the gentler sound of chiming bells during twice-yearly tests. A ...

During the course of an eruption, a volcano can produce a variety of hazards, such as lava flows, pyroclastic flows and lahars, volcanic mud flows. Latent hazards may exist for years after an eruption ...