A map of East Africa showing some of the historically active volcanoes (as red triangles) and the Afar Triangle (shaded at the center), which is a so-called triple junction (or triple point) where three plates are pulling away from one another: the Arabian Plate and two parts of the African Plate—the Nubian and Somali—splitting along the East African Rift Zone.

Afar Triangle - shaded area in centre of map and east african rift xzones, red triangles show active volcanoes Great Rift Valley, Ethiopia

East African Rift, Kenya – The East African Rift is a classic example of rifting, an area where tectonic plates move apart from each other. Rifts often form  stunning geological features. The East African Rift is characterized by deep valleys in the rift zone, sheer escarpments along the  faulted walls of the rift zone, a chain of lakes within the rift, volcanic rocks that have flowed from faults along the sides of the rift, and  volcanic cones where magma flow was most intense. Photo: Boyd…

NASA telescope catches black hole's rare light show

Von der Decken's Hornbill (Tockus deckeni) is a hornbill, found in East Africa, especially to the east of the East African Rift, from Ethiopia south to Tanzania.

Male Von der Decken's hornbill(Tockus deckeni), endemic to savanna and woodland of East Africa, especially to the east of the Rift Valley. Photographed in the African Bird Safari, London Zoo.

Ol Doinyo Lengai, Tanzania, is an active volcano located in the north of Tanzania and is part of the volcanic system of the East African Rift. It is located in the eastern Rift Valley south of both Lake Natron and Kenya.

Ol Doinyo Lengai, Tanzania, is an active volcano located in the north of Tanzania. It is part of the volcanic system of the East African Rift, in the eastern Rift Valley south of both Lake Natron & Kenya

Geologists publish new details about evolution of East African Rift Valley

Researchers in the College of Arts and Sciences have published new details about the evolution of the East African Rift (EAR) Valley, one of the world's largest continental rift zones.

Nyamuragira Volcano, Democratic Republic of the Congo - An evening view from the crater rim of Nyiragongo Volcano looks across the floor of the East African Rift at Myamuragira Volcano.

Nyamuragira Volcano, Democratic Republic of the Congo - An evening view from the crater rim of Nyiragongo Volcano looks across the floor of the East African Rift at Myamuragira Volcano.

Great Rift Valley: Earth's tectonic forces are presently trying to create new plates by splitting apart old ones; a fracture in the earth's surface that widens over time; located in East Africa (Ethiopia-Kenya-Uganda-Tanzania); Nubian Plate makes up most of Africa & the smaller plate that is pulling away is the Somalian Plate; they are both moving away from the Arabian Plate to the north

Rift segment names for the East African Rift System. Smaller segments are sometimes given their own names, and the names given to the main rift segments change depending on the source. The basemap is a Space Shuttle radar topography image by NASA.

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