Mount Etna, the rambunctious volcano on the Italian island of Sicily, grumbled back to life on Monday, spewing hot ash and lava in a pyroclastic flow, the nation's volcano monitoring body said. There ...

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 ...

Italy's Mount Etna erupted early Monday, causing tourists to flee as it spewed a massive plume of hot volcanic debris into the air. Videos circulating on social media purportedly show people on guided ...