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 ...

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 ...

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 ...

Why escaping a pyroclastic flow is nearly impossible. Judge strikes down Trump’s birthright citizenship order in new legal challenge after Supreme Court ruling Dave Ramsey sends strong message to ...

Learn techniques for surviving a pyroclastic flow.

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 ...

Guatemala’s Fuego volcano erupted explosively on June 3, sending hot gas and rock racing downhill in what’s known as a pyroclastic flow. At least 69 people were killed. Emergency officials are trying ...