Pyroclastic density currents (PDCs) represent some of the most formidable and complex volcanic phenomena, characterised by a turbulent mixture of solid particles and gases that surge down slopes at ...

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 ...

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 ...

April 9 (UPI) --Large volcanic eruptions can trigger the formation of superheated gas-and-ash clouds. These pyroclastic density currents, or pyroclastic flows, are the most lethal volcanic threat.

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 ...

Rebecca Williams has received funding from NERC. Dave McGarvie does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and ...

In 79 C.E., Mount Vesuvius erupted, burying the nearby ancient Roman city of Pompeii and the smaller town of Herculaneum ...