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Data from the Global Volcanism Program of the Smithsonian Institution
Details for: Lake Turkana South Island
South Island (right) is the southernmost and largest of the three volcanic islands in Lake Turkana. The island (sometimes referred to as Hohnel Island) contains numerous cones and rises 320 m above the lake surface. Lava flows erupted from a N-S fissure extending the 11-km length of the island. An eruption from a scoria cone on South Island was witnessed during Count von Teliki's 1888 expedition. Photo by Doron, 1999 (http://commons.wikimedia.org/wiki/Image:LakeTurkanaSouthIsland.jpg).
Volcano Number:
222020
Volcano Name:
Lake Turkana South Island
Country:
Kenya
Volcano Type:
Stratovolcano
Last Eruption:
1888 CE
Elevation:
800m
Tectonic Setting:
Rift zone / Continental crust (> 25 km)
Pop. within 30km:
1959
Pop. within 100km:
98303
Latitude:
2.6364
Longitude:
36.5958
Details
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The southernmost and largest of the three volcanic islands in Lake Turkana, South Island (sometimes referred to as Hohnel Island), contains numerous tuff cones. Early stage cone formation may have been associated with a high stand of Lake Turkana dated at about 10,000 years ago, and later subaerial activity postdates the last high stand of the lake about 3,200 years ago. The island is within a volcanic horst that extends 10 km to the N beneath the lake surface. Dominantly basaltic lava flows erupted from a N-S fissure extending the 11-km length of the island are morphologically similar to Holocene flows from The Barrier volcano at the S end of Lake Turkana. An eruption from a scoria cone on the island was witnessed during Count von Teliki's 1888 expedition.
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Eruption Data from the Global Volcanism Program of the Smithsonian Institution
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Emissions Data from the Global Volcanism Program of the Smithsonian Institution
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Data from the Earthchem Library
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Data from the Earthchem Portal
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Data from the SESAR Database
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Data from the MaGa Database
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Data from UNAVCO
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Data from USIEI
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Data from IRIS FDSNWS
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