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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 Main rift faults, plates ...
Map of the Great Rift Valley. The Great Rift Valley (Swahili: Bonde la ufa) is a series of contiguous geographic depressions, approximately 6,000 or 7,000 kilometres (4,300 mi) in total length, the definition varying between sources, that runs from the southern Turkish Hatay Province in Asia, through the Red Sea, to Mozambique in Southeast Africa.
For a volume of 450 cubic kilometres (110 cu mi), the tsunami hits Africa after 1–2 hours, followed by Europe between 2–3 hours, the Central Atlantic between 4–5 hours and the US continental shelf between 7–9 hours. [86] At the continental shelf, the wave train slows down and the number of main waves changes.
Although sediments arrive primarily from the unfaulted side of the half-graben, some erosion takes place on the fault escarpment of the main border fault, and this produces characteristic alluvial fans where confined channels emerge from the escarpment. [9] Lake Baikal is an unusually large and deep example of half-graben evolution. The lake is ...
An image showing a barren, dry landscape with cracks on the ground, indicative of desertification in Africa Semi-arid Niger is at risk for further desertification. Desertification in Africa is a form of land degradation that involves the conversion of productive land into desert or arid areas.
Counter-terrorism experts said Tuesday that Africa is now the world's terrorism hot spot, with half of the victims killed last year in sub-Saharan Africa, though al-Qaida and Islamic State ...
Crack in the World is a 1965 American science-fiction doomsday disaster movie filmed in Spain. It is about scientists who launch a nuclear missile into the Earth's crust, to release the geothermal energy of the magma below; but accidentally unleash a cataclysmic destruction that threatens to sever the earth in two.
The Depression overlaps the borders of Eritrea, Djibouti and the entire Afar Region of Ethiopia; and it contains the lowest point in Africa, Lake Assal, Djibouti, at 155 m (509 ft) below sea level. The Awash River is the main waterflow into the region, but it runs dry during the annual dry season, and ends as a chain of saline lakes.