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

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

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 ...

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

On November 19, 2025, a dramatic and terrifying scene unfolded as pyroclastic flows from the eruption of Mount Semeru cascaded down its slopes. This phenomenon was captured in numerous photographs, ...

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 ...

Dumping literal tons of hot volcanic material down a lab flume may finally have revealed how searing mixtures of hot gas and rock travel so far from volcanic eruptions. These pyroclastic flows can ...

A HUGE Indonesian volcano has erupted and sent a massive ash plume 54,000ft into the sky. The Australia Volcanic Ash Advisory ...

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 ...

When Guatemala’s Volcán de Fuego erupted in June 2018, it sent a billowing hot cloud of gas, ash and rock careening down the slope of the mountain. In the many smartphone videos of the eruption, the ...

An international team of scientists has uncovered the secrets of the speed of pyroclastic flow that brings death and destruction following a volcano eruption. A pyroclastic flow is an extremely hot ...