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 ...

A zoomed-in view shows the front of a pyroclastic flow rushing down Semeru Volcano after an eruption sends hot ash and debris ...

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

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 ...

Guatemala’s Volcán de Fuego explosively erupted on Sunday for 16 and a half hours. The devastating event left approximately 25 people dead and nearly 300 injured, a number that is expected to rise.

May 8, 1902, began as a sunny day in Martinique, an island in the Caribbean, with only a column of steam rising above Mount Pelée. When the mountain, an active volcano, suddenly exploded. The first ...