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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 (classic Greek Thera ), the main island, Therasia and Aspronisi at the periphery, and the Kameni islands at the center.
The volcanic ridge consists of a northern and southern peak, and the ridge itself lies above a large lava dome. [1] The rock that makes up the ridge is non-volcanic and predates the 1610 BC Minoan eruption of Thera, though the immense amount of volcanic ejecta generated by the eruption did greatly expand the existing ridge line.
The Minoan eruption was a catastrophic volcanic eruption that devastated the Aegean island of Thera (also called Santorini) circa 1600 BCE. [2] [3] It destroyed the Minoan settlement at Akrotiri, as well as communities and agricultural areas on nearby islands and the coast of Crete with subsequent earthquakes and paleotsunamis. [4]
Taupō Volcanic Zone, Maroa Caldera (size: 16 x 25 km), New Zealand: 230 ka: 140 km 3 (33.6 cu mi) of tephra. [1] Taupō Volcanic Zone, Reporoa Caldera (size: 10 x 15 km), New Zealand: 230 ka: 7: around 100 km 3 (24.0 cu mi) of tephra [2] Taupō Volcanic Zone, Whakamaru Caldera (size: 30 x 40 km), North Island, New Zealand: around 254 ka: 8: ...
The eruption left a large caldera surrounded by volcanic ash deposits hundreds of metres deep. It is the most active volcanic centre in the South Aegean Volcanic Arc, though what remains today is chiefly a water-filled caldera. The volcanic arc is approximately 500 km (300 mi) long and 20 to 40 km (12 to 25 mi) wide.
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Palea Kameni, also known as Palia Kameni, is a volcanic island within the Santorini Caldera. The island was formed by a series of volcanic eruptions that formed large deposits of pumice and dacite lavas. The island's name translates to "Old Burnt Island". [1]
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