formed by an eruption of the Campi Flegrei super volcano more than two million years ago. The caldera stretches 125 miles ...

A "complex volcano" that last erupted in 1302, Ischia rises to the "hikeable" 2,589ft peak of Mount Epomeo, and is peppered with hot springs, thermal aquifers and fumaroles (volcanic vents).

The seismic activity is occurring across a vast caldera, formed by an eruption of the Campi Flegrei super volcano more than ... out to the islands of Capri and Ischia. The most intensely affected ...