TEMPO.CO, Jakarta - The head of Indonesia’s Geological Agency, Muhammad Wafid, has warned that deposits from Mount Semeru’s recent pyroclastic flows could trigger secondary disasters if not properly ...

Pyroclastic flows are some of the most fearsome hazards posed by erupting volcanoes. These avalanches of superheated ash, gas, and rock are responsible for some of the most famous volcanic disasters ...

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 ...

Even at the the far edge of the mud and ash that came from the Pompeii volcano’s explosion, the heat was sufficient to instantly kill everyone, even those inside their homes. And that is how the ...

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 ...

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 ...