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 ...

The superheated avalanche tore down Mayon Volcano’s southeastern flank in minutes, traveling 5.08 kilometers from the summit before grinding to a halt in a drainage channel above the farming ...

A volcano starts rumbling, and suddenly erupts. But instead of seeing lava trickling down, you see a massive cloud of ash ...

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 ...

Pyroclastic surges are lethal hazards from volcanoes that exhibit enormous destructiveness through large dynamic pressures of 100–102 kilopascal inside flows that are capable of obliterating ...

TEMPO.CO, Jakarta - Mount Merapi, located on the border of the Special Region of Yogyakarta and Central Java in Indonesia, has shown an increase in activity intensity over the last three days.

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 ...

At least 330 people were evacuated on Thursday in Guatemala following an eruption of the Fuego volcano, located 35 km from the capital, according to the civil protection agency, which declared an ...

LEGAZPI CITY (PIA) — The ongoing eruption at Mayon Volcano is creating a lot of unstable volcanic materials, raising concerns about sudden and dangerous flows known as pyroclastic density currents ...

Indonesia's Mount Merapi continued to erupt Friday, forcing authorities to halt tourism and mining activities on the slopes of the country's most active volcano. The volcano on the densely populated ...