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 ...

Volcanologist Professor Chris Jackson discovers evidence of the deadly pyroclastic flow. Volcanologist Professor Chris Jackson reveals the power of the deadly pyroclastic flow that had swept through ...

Slumbering five miles beneath the surface of Yellowstone National Park in Wyoming is a timebomb more than 640,000 years in the making. The Yellowstone supervolcano is a vast reservoir of magma with ...

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 ...