Semeru volcano — the highest volcano on Java — erupted on the afternoon of November 19, 2025, with pyroclastic flows racing ...

Java Island’s tallest mountain, a volcano called Mount Semeru, has spewed tall plumes of ash clouds that engulfed bridges and the surrounding countryside.

Mount Semeru, the highest active volcano in Java, Indonesia, has erupted with an enormous 54,000-foot ash cloud, triggering ...

After an eruption, DIY cushions of gas help searing torrents of gas, ash, and rock spread miles from their source within a matter of minutes. Pyroclastic flows contain a deadly combination of hot rock ...

A volcano on Indonesia's main island of Java erupted on Wednesday, throwing ash and gas kilometres into the sky and forcing ...

At least 62 people were reported killed when Guatemala’s Volcan de Fuego erupted on Sunday, June 3, sending plumes of rock, gas, and ash over nearby villages, as well as a fast-moving and destructive ...

One video captured the "avalanche" of ash tumbling into the valleys below, whilst additional footage showed plumes of smoke ...

Scientists think they’ve figured out how pyroclastic flows, fast-moving bringers of death during volcanic events, can travel such incredible distances and speeds despite the friction between the ...

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 ...

One of the leading killers during explosive volcanic eruptions is a family of superheated gas, ash, and debris known as pyroclastic density currents. These tumbling, turbulent paroxysms rush downslope ...

There's no question that Guatemala's Volcán de Fuego is a deadly mountain. Beginning June 3, the volcano sent chaotic avalanches of rock and gas down its sides, and as of June 13 the eruptions had ...