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History of the Volcano

12 circles of volcanic activity

Volcanologists and geologists have detected 12 cycles of volcanic activity in the last 200.000 years.

  • 100.000 years ago, the south part of Caldera had been created by a large eruption.
  • The 1600 B.C. eruption, when Stroggili was fragmented, had created the north part.
  • In 197 B.C., Stravonas described the eruption by which an island called Iera had emerged, which in turn had been gradually corroded (it is the reef now called Bangos).
  • In 46-47 A.D. the volcano's eruption had created Palaia Kameni.
  • In the summer of 726 A.D., the volcanic ash had been ejected a long distance and the eruption's magma is found in the NE part of Palaia Kameni until the present day.
  • In 1570 A.D. the volcano had again been activated. Its activity lasted three years and the emersion of great quantities of magma had created the Mikri Kameni.
  • In 1707 and for the next 4 years, successive eruptions and phenomenons were the reasons of Nea Kameni's emersion. Its present form though had been taken after newer cycles of volcanic activity during 1866-1870, 1925-1928, 1939-1941,1950.


Nea Kameni, the volcano, was declared by the Hellenic Ministry of Culture, as the rest of the Santorini island, an "historical site of exceptional natural beauty". It is the youngest landform in the Eastern Mediterranean, an active volcanic center. Its oldest formation dates back 430 years and the most recent 50 years.

Sources: "Santorini: And the sea brought forth the earth"/ Topio Publications/ From the text of archeologist Kiki Birtacha.
"Thera, a march through time", by Antonis K. Kontaratos/Heliotopos Publications.

Ηφαίστειο - Ιστορία - Ηφαιστειακή δράση
Ηφαίστειο - Ιστορία - Ηφαιστειακή δράση

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