Avalanches of ash, gas and rock that cascade downhill during volcanic eruptions may be even more dangerous than scientists had realized. Pulses of high pressure form within these slides, known as ...

Indonesia’s Mount Semeru in East Java erupted five times on Friday, triggering pyroclastic flows that travelled up to 3,000 metres, authorities said ...

TEMPO.CO, Jakarta - On Wednesday afternoon, January 14, 2026, Mount Semeru emitted a series of pyroclastic flows. The Mount Semeru Volcano Observation Post (PGA) at Gunung Sawur reported that seismic ...

Semeru volcano — the tallest volcano on Java at 3,676 meters — erupted on the afternoon of November 19, 2025, with pyroclastic flows racing at high speed more than 8.5 kilometers down its slopes, as ...

MANILA, Philippines — A surge in pyroclastic density currents has been detected at Mayon Volcano in Albay in the past 24 hours, although these do not indicate escalation to a stronger eruptive phase, ...

Philippine Institute of Volcanology and Seismology (DOST-Phivolcs) has recorded the largest pyroclastic density current (PDC) since January, causing heavy ashfall that has affected 32 barangays in ...

Pyroclastic density currents (PDCs) represent some of the most formidable and complex volcanic phenomena, characterised by a turbulent mixture of solid particles and gases that surge down slopes at ...

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 ...

SICILY, Italy – Italy’s Mount Etna volcano violently erupted on Monday, sending plumes of toxic ash and smoke billowing into the sky as people on the mountain ran for safety to escape the danger.

MANILA, Philippines — A new dark lava dome emerged at Mayon Volcano Thursday morning, January 8, as the volcano released lava and pyroclastic density currents that demonstrated the volcano’s rising ...