Nisyros Volcano | Largest Crater in the World

The island of Nisyros is a volcano itself, belonging in the arc of southern Greece. It is located on the edge of the Aegean arch, along with the Caldera of Kos and the island of Giali. The first underwater eruptions occurred 150.000 years ago, while the main activity occurred 40.000 to 10.000 years ago. Today, hydrothermal explosions are taking place.