What is the volcano under Santorini?

The East Mediterranean's most active underwater, and potentially dangerous, volcano, Kolumbo, is five miles northeast of Santorini and part of the same volcanic system. Submerged in the Aegean Sea, Kolumbo has been quiet for nearly 400 years – but it is not asleep.



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Jumping off our boat into the hot springs was a fun thing to do on our Santorini sunset cruise. Most cruises take you to the hot springs and stop for a while so you can swim. The hot springs are just off the volcanic islands of Nea Kameni and Palea Kameni, which were formed by a series of volcanic eruptions.

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Yes, Santorini is worth it for it's volcanic topography. Absolutely. Formed over 3,500 years ago from a volcanic eruption, Santorini is the remains of the rim of a volcanic crater, known as a caldera.

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The experience of walking on the lava and the volcanic rocks as well as the view of the special coastline of Santorini with its steep slopes, is unprecedented and wonderful. ?nclosed toe shoes, a hat, sun screen and water would be necessary.

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Santorini caldera is a large, mostly submerged caldera, located in the southern Aegean Sea, 120 kilometers north of Crete in Greece. Visible above water is the circular Santorini island group, consisting of Santorini, the main island, Therasia and Aspronisi at the periphery, and the Kameni islands at the center.



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According to Dr David Karaton who is an expert in Volcanology, “the topographic relief of Santorini before the Minoan eruption was characterized by a smaller port along with a central island, almost similar to today's Kameni, according to many researchers. But the size and age of this island had remained unknown.

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Yes, you can drink tap water in Santorini. Like all of the rest of the country, the water in Santorini meets EU standards for water quality. Most of the water you will drink in Santorini will come from a desalination plant.

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The Fira-Oia Hike is the single best thing to do in Santorini – with a Santorini boat tour being a close second. The hike takes you along the caldera cliff and through the villages of Fira, Firostefani, Imerovigli, and Oia. The hike takes between 3 and 5 hours depending on how fast you walk and how often you stop.

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