On June 3, 2018, Guatemala’s Fuego volcano erupted with enough force to send ash columns approximately four miles into the ...

Lava effusion with collapse-fed pyroclastic density currents was observed on Mayon Volcano late Wednesday evening, the ...

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 ...

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 ...