9 Feb 2026

A powerful earthquake in March 2025 created an 8 km deep conduit connecting the Campi Flegrei caldera to Mount Vesuvius. This unprecedented connection between the two volcanoes, both of which are now showing signs of increased activity, has triggered widespread panic and raised concerns about a potential Mediterranean volcanic collapse. The situation is further complicated by the interconnected nature of Campi Flegrei’s magma chambers, which could lead to catastrophic eruptions in both volcanoes.

The Campi Flegrei and Vesuvius volcanoes in Italy are merging into a single supervolcano system, posing a catastrophic threat to the 3 million people living in the Naples metropolitan area. The reactivation of a direct physical pathway between the two volcanoes has reopened ancient connections, potentially triggering a cascading se ...