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 ...

MILAN (AP) — Mount Etna, the volcano that towers over eastern Sicily, has again captivated the world with a spectacular show, spewing smoke and high into the sky. But the defining event of Monday’s ...

The lava flows and ash clouds were probably caused by the collapse of a flank of Etna’s southeast crater, authorities said, adding there was no danger to the population. Spectacular clouds of ashy ...