Indonesia's Geological Agency head warned that Mount Semeru's recent pyroclastic deposits could cause secondary disasters if ...

Heavy rains brought by Super Typhoon Uwan trigger lahar flow anew in Barangay Masarawag, Guinobatan, Albay on Sunday, Nov. 9, 2025. —Photo by Ralph Felix Openiano LEGAZPI CITY, Albay, ...

The Philippine Institute of Volcanology and Seismology (PHIVOLCS) warned residents around Mayon Volcano to stay alert for ...

The distance of Semeru volcano's pyroclastic flow, originally at 4.5 km, has now extended to 8 km. Its maximum amplitude has ...

Mount Rainier looms over the Pacific Northwest, its snow-capped summit visible from Seattle on clear days. At 14,411 feet, ...

A lahar is a fast-moving debris flow The deadliest lahar in recent memory was in November 1985 when Colombia’s Nevado del Ruiz volcano erupted. Just a couple hours after the eruption started, a river ...

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 ...

NEGROS OCCIDENTAL (PIA) — The Department of Science and Technology – Philippine Institute of Volcanology and Seismology (DOST-PHIVOLCS) is urging residents in La Castellana living near rivers, creeks, ...

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) ...

A mudflow that recently burst through the banks of a volcanic lake in New Zealand gave scientists an up-close and personal view of the freak event and a chance to test their disaster warning systems.