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Случайные фотографии
Map of the Kolumbo submarine crater and other submarine cones on the north-east trending Kolumbo volcano-tectonic rift. Figure courtesy of Haraldur Sigurdsson, Steven Carey, Matina Alexandir and Katy Croff. (from: http://oceanexplorer.noaa.gov/explorations/06blacksea/logs/summary_thera/summary_thera.html)
Map of the Kolumbo submarine crater and other submarine cones on the north-east trending Kolumbo volcano-tectonic rift. Figure courtesy of Haraldur Sigurdsson, Steven Carey, Matina Alexandir and Katy Croff. (from: oceanexplorer.noaa.gov/explorations/06blacksea/logs/summary_thera/summary_thera.html)
Map of recent earthquakes beneath Santorini, showing the 3.2 event at Kolumbos volcano NE of Santorini
Tuesday, Dec 13, 2011
В 19h22 GMT (21h22 по местному времени), 3,2 Землетрясение произошло в малоизвестных подводного вулкана Kolumbos ок. 8 км к северо-востоку Санторини, остров, Греция. Это стало одним из крупнейших событий в последние месяцы. ... [подробнее]
 

Kolumbo вулкан

подводный вулкан -18 m / -60 ft
Греция, 36.52°N / 25.49°E
Текущее состояние: normal or dormant (1 из 5) | Reports
Kolumbo volcano books
Last update: 26 Mar 2019
Типичный извержения стиль: explosive
Kolumbo Вулкан-извержения: 1650Hydrothermal vents occur when sea water enters the crust and comes in contact with the volcano's magma chamber. The hot fluid becomes enriched with minerals and then emerges through the vent; when it comes in contact with the colder seawater, its minerals are deposited and create mounds and 'chimneys'. Cyanobacteria use the hot water and minerals as an energy source through a process called chemosynthesis; this vent is covered with red, white, and black bacterial mats. Image taken by the ROV Hercules developed by the Institute for Exploration at Kolumbo underwater volcano, located northeast of Santorini in the Aegean Sea. Image courtesy of the Institute for Exploration, the University of Rhode Island (URI) Graduate School of Oceanography (GSO), and the URI Institute for Archaeological Oceanography.
ВремяМагнитный / ГлубинаРасстояниеМестоположение
Tue, 30 Apr 2019
Tue, 30 Apr 19:10 UTCM 3.1 / 90 km30 kmDodecanese Islands, Greece
Thu, 25 Apr 2019
Thu, 25 Apr 12:35 UTCM 2.4 / 24 km19 kmDodecanese Islands, Greece
Wed, 24 Apr 2019
Wed, 24 Apr 16:41 UTCM 3.0 / 12 km21 kmDodecanese Islands, Greece
Sat, 20 Apr 2019
Sat, 20 Apr 06:23 UTCM 2.3 / 2 km3 kmDodecanese Islands, Greece
Sat, 20 Apr 06:22 UTCM 2.5 / 8 km4 kmDodecanese Islands, Greece
Просмотреть все последние землетрясения
Kolumbo (or Kolumbos) volcano is an active submarine volcano located 8 km NE of Santorini Island in the Aegean Sea. The volcano forms an elliptical SW-NE elongated 3 km wide cone with a 500 m deep and 1.5 km wide crater, whose rim's highest parts rise to 18-15 m beneath sea level.
The crater floor, in particular in its northern part, contains a large and very active high-temperature fumarole field.
The crater of Kolumbo volcano is a small caldera which could have (at least in parts) formed during the volcano's only known, but very violent last eruption which occurred in 1650 AD.

Справочная информация:

The large hydrothermal field in the northern part of the caldera at about 500 m depth contains a massive Kuroko-style sulfide deposit. Only few such deposits are known world-wide and they are of great interest, especially because of the typically high content of gold and silver in the sulfides. In 2010, the exploration Vessel (E/V) Nautilus discovered steep, up to 6 m high chimneys of sulfides above one of the vents.
1650 eruption of Kolumbo volcano
The 1650 eruption was a very explosive event and ejected pumice and ash as far as Turkey, and produced pyroclastic flows that killed about 70 people on Santorini. During the eruption, it constructed a temporary island (hence it's name Kolumbo, in Greece "swimming"). A tsunami occurred as well, probably during the collapse of the cone. It caused damage on nearby islands up to 150 km and invaded the flat coastal areas especially on the eastern side of Santorini, where ruins from Roman times were uncovered. The eruption also caused damage killed a great number of livestock because of poisonous gasses, mainly H2S.

Links:
- Thera 2006 Expedition Summary (NOAA Ocean Explorer)
- Special Volume of Oceanography(pdf)
- <linkhttp://www.nautiluslive.org/>Follow Dr. Robert Ballard and his team as
they explore the ocean on the E/V Nautilus


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