Volcanologist Professor Chris Jackson discovers evidence of the deadly pyroclastic flow. Volcanologist Professor Chris Jackson reveals the power of the deadly pyroclastic flow that had swept through ...

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 volcanic eruption is terrifying on its own, but we just learned that, even more terrifyingly, the avalanche of hot rocks, ash, and gas that volcanoes spew can spawn giant tornado-like twisters. This ...

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 ...

One of the leading killers during explosive volcanic eruptions is a family of superheated gas, ash, and debris known as pyroclastic density currents. These tumbling, turbulent paroxysms rush downslope ...

Volcanoes are notoriously deadly, but there’s no more frightening a way to meet your own personalized doom than via a pyroclastic flow. These fast-moving ferocious fires look more like summoned demons ...

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 ...

MILAN (AP) — Mount Etna, the volcano that towers over eastern Sicily, has again captivated the world with a spectacular show, spewing smoke and high into the sky. But the defining event of Monday’s ...

The eruption of the Fuego volcano—or volcano of fire—in Guatemala on Sunday and the flows that followed have killed more than 60 people so far, according to authorities. The volcano is one of the most ...