An ongoing pyroclastic density current (PDC) event, locally known as uson, was recorded at Mayon Volcano on Sunday afternoon, ...

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 has been no change in the safe distance or sectoral recommendations for potential dangers related to Mount Merapi ...

Scientists think they’ve figured out how pyroclastic flows, fast-moving bringers of death during volcanic events, can travel such incredible distances and speeds despite the friction between the ...

For a third straight day, residents of Kagoshima City are sweeping gray-white volcanic ash from rooftops, gutters, and car ...

On Sunday, Guatemala's Volcán de Fuego -- "Volcano of Fire" -- erupted violently, spewing ash nearly four miles into the air and burying villages under an avalanche-like phenomenon called a ...

An international team of scientists has uncovered the secrets of the speed of pyroclastic flow that brings death and destruction following a volcano eruption. A pyroclastic flow is an extremely hot ...

A pyroclastic flow (also known as a pyroclastic density current or a pyroclastic cloud) is a fast-moving current of hot gas and volcanic matter (collectively known as tephra) that flows along the ...

When Guatemala’s Volcán de Fuego erupted in June 2018, it sent a billowing hot cloud of gas, ash and rock careening down the slope of the mountain. In the many smartphone videos of the eruption, the ...

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 ...