The Campi Flegrei, also known as the Phlegraean Fields, is an active volcanic area located to the west of Naples, Italy. Its name translates as "burning fields" in English. It is a large caldera, or volcanic depression, populated by 24 craters and volcanic edifices. Major metropolitan areas, including parts of Naples itself and the town of Pozzuoli, sit on the caldera.
This area has been active for around 60,000 years, with its two major eruptions occurring 15,000 and 39,000 years ago. The Campi Flegrei is responsible for one of the largest volcanic eruptions in the history of Europe. Today, it produces smaller, but still potentially destructive eruptions, known as volcanic unrest.
The area is closely monitored by volcanologists and is a notable center for research into the behavior of calderas. The study and monitoring of the Campi Flegrei is important because a significant portion of the Italian population lives in the region, and a volcanic eruption would have major local and potentially international impacts.
Despite this, the area is a popular place to visit due to its unique geological features, rich history featuring Roman ruins and archaeological sites, and preservation as a regional park.
