The Volcano Scarier Than Mount Vesuvius

The caldera of Campi Flegrei sits outside Naples.

Campi Flegrei
Italy's National Institute for Geophysics and Vulcanology researchers make monthly measurements near the Bocca Grande in Pozzuoli, Italy on July 09, 2017. (Giuseppe Ciccia/NurPhoto via Getty Images)

A new article in The Economist’s 1843 investigates the threat posed by the caldera of Campi Flegrei, a volcano to the west of Naples. At greater risk of erupting than Vesuvius, the caldera of Campi Flegrei has experience crust stretching over the past 70 years, which makes it more likely that subsequent shifts set off a reaction. The caldera last suffered a small eruption in 1538. Officials estimate that they would need a minimum of 72 hours to evacuate the more than 500,000 residents of the area should the caldera show signs of immediate activity. The caldera of Campi Flegrei, which translates to “fiery fields,” was formed roughly 35,000 years ago.

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