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 ...

An explosion on the slopes of Stromboli sent an avalanche of pyroclastic flow rushing down the side of the Italian volcano on Monday (Nov. 16). The stronger-than-usual explosion was captured on ...

At least 62 people were reported killed when Guatemala’s Volcan de Fuego erupted on Sunday, June 3, sending plumes of rock, gas, and ash over nearby villages, as well as a fast-moving and destructive ...

Lava fountain from the summit crater of Mayon in the Philippines seen on January 23, 2018. This lava fountain is likely a few hundred meters tall. PHIVOLCS. In the Philippines, Mayon is erupting ...

A spectacular display of lava and pyroclastic flow was seen in Stromboli on the afternoon of Dec 4. Just after 2pm a lava overflow and intense explosive activity started from the north crater, before ...