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Kos volcano

Caldera(s) 430 m / 1411 ft
Aegean Sea, Greece, 36.85°N / 27.25°E
Current status: (probably) extinct (0 out of 5) | Reports
Kos volcano books
Typical eruption style: unspecified
Kos volcano eruptions: None during the past 10,000 years
Less than 2.58 million years ago (Pleistocene)
TimeMag. / DepthDistanceLocation
Sun, 7 Jun 2020
Sun, 7 Jun 00:50 UTCM 1.6 / 15.8 km6 kmKos Adasi (mediterranean Sea) (Greece)
Sat, 16 May 2020
Sat, 16 May 08:08 UTCM 1.8 / 12.3 km22 kmSindi-datca (mugla) (Greece)
Thu, 30 Apr 2020
Thu, 30 Apr 00:12 UTCM 1.3 / 9.6 km6 kmKos Adasi (mediterranean Sea) (Greece)
Sun, 26 Apr 2020
Sun, 26 Apr 03:59 UTCM 1.3 / 17.1 km10 kmGokova Korfezi (mediterranean Sea) (Greece)
Sat, 25 Apr 2020
Sat, 25 Apr 00:23 UTCM 1.6 / 16.4 km5 kmKos Adasi (mediterranean Sea) (Greece)
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Background:

The island of Kos is dominantly non-volcanic but contains Miocene to Pleistocene volcanic centers. The Kamari caldera is of mid-Pleistocene age and contains the 1.0-0.55 million-year-old, post-caldera Zini lava dome. The formation of a large caldera deposited the widespread Kos Plateau Tuff (erupted about 160,000 years ago), which blankets much of the western half of Kos and originated from a stratovolcano between Kos and Nisyros islands. The caldera dimensions are uncertain, but may extend as much as 20 km from Kefalos Bay in SW Kos Island to Nisyros Island. Remnants of the pre-eruption stratovolcano are preserved on the islets of Pachia and Pyrgousa and as submarine volcanic rocks on Nisyros. Kos was included in the Catalog of Active Volcanoes of the World (Georgalas, 1962) based on its geothermal activity. Several solfatara fields are present, including Vromotopos at Kefalos Isthmus on the western side of the island and a group of thermal areas at the eastern side of Kos. Thermal activity consists of weak hydrogen sulfide emission, sulfur deposits, and two hot springs along the southeastern coast.
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Smithsonian / GVP volcano information

Kos Photos:

The island of Kos is in the far background, forming the rim of the large submerged caldera created by the huge Kos supervolcano explosion around 160,000 years BP. (c)
The island of Kos is in the far background, forming the rim of the large submerged caldera created by the huge Kos supervolcano explosion around 160,000 years BP. (c)
Natural bridge formed by sea erosion into the white ash and pumice deposit near Papafrakos. A good spot for a group picture... (Photo: Tom Pfeiffer)
Natural bridge formed by sea erosion into the white ash and pumice deposit near Papafrakos. A good spot for a group picture... (Photo: Tom Pfeiffer)
White cliff of the Sarakinikos coast (Milos Island, Greece) (Photo: Tom Pfeiffer)
White cliff of the Sarakinikos coast (Milos Island, Greece) (Photo: Tom Pfeiffer)
 



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