Mount Vesuvius in Campagnia, Italy has a history of activity that makes it one of the world’s most dangerous volcanoes. It last erupted in 1944, but it usually has an eruption cycle of just 20 years. Moreover, 3 million people live relatively close to the crater, as it sits just 5 miles east of Naples. This makes it the most densely populated volcanic region in the entire world.
Mt. Vesuvius is the only volcano to have erupted on the European mainland within the last hundred years, and is probably most famous for its massive eruption in 79 AD, when it buried the cities of Herculaneum and Pompeii.
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