What happened: A collapse of lava deposits triggered Mayon’s longest pyroclastic flow of the year, racing 4 km down the Mi-isi gully and sending ash over 124 villages. Who is affected: Over 5,400 ...

MANILA, Philippines – Mayon Volcano in Albay continued emitting ash and volcanic materials on Thursday, triggering ...

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 ...

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 ...