Italy's Campi Flegrei Supervolcano Nears First Eruption in Almost 500 Years

Italy's Campi Flegrei supervolcano near Naples has become weaker and more prone to rupturing, making an eruption more likely, warn researchers. The volcano last erupted in 1538, and when it eventually blows, it is likely to be comparable in size to the eruption of Mount Vesuvius that destroyed the cities of Pompeii and Herculaneum in AD 79. Around 360,000 people live at Campi Flegrei and may need to evacuate if experts think it's in immediate danger of an eruption, although scientists say there's no guarantee one will occur anytime soon.