MANILA, Philippines — The Mayon Volcano is exhibiting signs of increasing unrest, with bright red magma and glowing pyroclastic density currents called "uson" continuing to stream from its summit as ...

Pyroclastic surges are lethal hazards from volcanoes that exhibit enormous destructiveness through large dynamic pressures of 10 0-10 2 kilopascal inside flows that are capable of obliterating ...

YAMAGUCHI—An eruption of Mount Aso in Kumamoto Prefecture 90,000 years ago created a pyroclastic flow that traveled 170 kilometers north to the Sabagawa river here, the longest such distance recorded ...

Volcanologist Professor Chris Jackson discovers evidence of the deadly pyroclastic flow. Volcanologist Professor Chris Jackson reveals the power of the deadly pyroclastic flow that had swept through ...

Pyroclastic flows are some of the most fearsome hazards posed by erupting volcanoes. These avalanches of superheated ash, gas, and rock are responsible for some of the most famous volcanic disasters ...

JAKARTA: Mount Merapi, an active volcano in Central Java and Yogyakarta, has recently emitted lava and pyroclastic flows that reached distances of up to 1.5km from its summit. These flows are moving ...

Smoke is seen rising from the crater of Mount Shindake on Kuchinoerabu Island in Yakushima, Kagoshima Prefecture on Feb. 3, 2020. (Image from a Japan Meteorological Agency monitoring camera) ...

TEMPO.CO, Jakarta - The head of Indonesia’s Geological Agency, Muhammad Wafid, has warned that deposits from Mount Semeru’s recent pyroclastic flows could trigger secondary disasters if not properly ...

People look at a pyroclastic flow during the eruption of Mount Semeru in Lumajang, East Java, on November 19, 2025. - AFP LUMAJANG, Indonesia: Mount Semeru, located on the border of Lumajang and ...