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 ...

A pyroclastic flow burst from Mount Etna’s summit on 2 June 2025 and raced down the volcano’s western flank while a 6.5-kilometer ash plume climbed above the crater, forcing tourists on the upper ...

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 ...

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 ...

On May 2, a collapsing lava front on Mayon Volcano sent a superheated torrent of gas, ash, and rock 5.08 kilometers down its southeastern slopes, the longest pyroclastic flow recorded since the ...

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 ...

This picture taken on Dec 17, 2022, shows mount Semeru spewing thick smoke and hot lava in Lumajang, East Java. - Photo: AFP JAKARTA: (Bernama) Indonesia’s Mount Semeru in East Java erupted five times ...

A pyroclastic flow (also known as a pyroclastic density current or a pyroclastic cloud) is a fast-moving current of hot gas and volcanic matter (collectively known as tephra) that flows along the ...

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 ...

'Putting an active nuclear power plant in the path of possible pyroclastic flows is very serious business and we better damn well face how they behave in real life' The following is the third in a ...