A volcano in Indonesia has erupted with an 54,000ft ash cloud spouting into the air, triggering a flight safety warning.

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 ...