
Early volcanic activity in the Thira region began 1.5 million years ago and produced lavas which enveloped the ancient rock formations (limestone of Profitis…

View of the caldera from Oia . Today Santorini is a crescent-shaped island surrounding the caldera (the collapsed volcano filled with water) resulting from the…

The small islands of Nea Kamini and Palea Kamini, and Aspronisi (right). Volcanic activity can be observed in Nea Kamini and Palea Kamini. Nea Kamini is…

The small islands of Nea Kamini and Palea Kamini, and Aspronisi seen from Oia.

Nea Kamini in the middle of the caldera.

Nea Kamini in the middle of the caldera, Oia is in the back.