On July 2, 2026 a pyroclastic flow descends the backside of Semeru Volcano from this camera’s perspective, as seen from an ...

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 ...

This footage captures a chilling moment as the siren echoes across the landscape while one of the volcano’s most dangerous ...

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 ...

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 ...

There are several ways pyroclastic flow can develop during an volcanic eruption. (AFP) Guatemala's Volcan de Fuego - Volcano of Fire - erupted spectacularly Sunday, shooting a plume of ash and gas ...