The INGV responds to a question from citizens: "In the event of a small or medium intensity eruption at Campi Flegrei, would ...

About 7,700 years ago, Mount Mazama’s climactic eruption pushed pyroclastic flows as far as 43 miles down every valley draining the volcano, a wave of rock, gas and ash hot enough to scour the Oregon ...

Pyroclastic surges are lethal hazards from volcanoes that exhibit enormous destructiveness through large dynamic pressures of 100–102 kilopascal inside flows that are capable of obliterating ...

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 ...