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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A powerful volcanic eruption in Indonesia sent residents fleeing as Mount Semeru released a towering ash column and pyroclastic ...

A plume of ash and gas rises from Mount Etna on the Italian island of Sicily on Monday. The eruption also featured lava fountains and a pyroclastic flow. Salvatore Allegra / Anadolu via Getty Images ...

While the town around him was engulfed by searing pyroclastic flows, one man achieved the impossible from a prison cell with a single ventilation shaft. Here’s how he did it. While humans have adapted ...