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Greece has one of the most well-known volcanic arcs worldwide, which was created by the sinking of the African lithosphere (Oceania) under the Eurasiatic plate (mainland). The Greek volcanic arc with its especially intense volcanic activity in the past is responsible for the formation of quite a few of the more impressive and many times eerie volcanic landscapes that we come across in many regions throughout Greece. 

The more important volcanoes in Greece are situated in Methana, on Santorini, on Milos, on Nisyros, on the islet of Gyali and on Kos, with the most famous being those on Milos and Santorini, which receive thousands of visitors throughout the year. In Santorini the enchanting caldera (crater) is the largest in the world, with a height of 300 m and a diameter of 11 km, while on Milos the volcano at Fyriplakes is 220 m high and has a diameter of 1.700 m. We will encounter one of the largest calderas in the world on Nisyros at a height of 650 m and a diameter of 3.000 m, while the height of the volcano in Methana is 417 m and its diameter 150 m.

Volcano on Nisyros

The volcano on the island of Nisyros is the youngest one in Greece. It is an active volcano as are the ones at Methana, on Milos Island and on Santorini Island. The oldest rock formations found...

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