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The East African Rift ( EAR) or East African Rift System ( EARS) is an active continental rift zone in East Africa. The EAR began developing around the onset of the Miocene, 22–25 million years ago. [1] It was formerly considered to be part of a larger Great Rift Valley that extended north to Asia Minor .
The Great Rift Valley ( Swahili: Bonde la ufa) is a series of contiguous geographic trenches, approximately 7,000 kilometres (4,300 mi) in total length, that runs from Lebanon in Asia to Mozambique in Southeast Africa. [1] While the name continues in some usages, it is rarely used in geology as it is considered an imprecise merging of separate ...
The Afar Triangle (also called the Afar Depression) is a geological depression caused by the Afar Triple Junction, which is part of the Great Rift Valley in East Africa. The region has disclosed fossil specimens of the very earliest hominins; that is, the earliest of the human clade, and it is thought by some paleontologists to be the cradle of ...
The Great Rift Valley is part of an intra-continental ridge system that runs through Kenya from north to south. It is part of the Gregory Rift, the eastern branch of the East African Rift, which starts in Tanzania to the south and continues northward into Ethiopia. [1] It was formed on the "Kenyan Dome" a geographical upwelling created by the ...
Ol Doinyo Lengai is part of the Gregory Rift, which is part of the active East African Rift. The East African Rift is a continental rift extending from eastern to southern Africa over a length of 4,000 kilometres (2,500 mi), where there is high heat flow through a thinner crust. In the Gregory Rift, spreading began about 1.2 million years ago ...
Mount Kenya is a volcano created approximately 3 million years after the opening of the East African Rift. Before glaciation, it was 7,000 m (23,000 ft) high. It was covered by an ice cap for thousands of years. This has resulted in very eroded slopes and numerous valleys radiating from the peak.
Active and extinct volcanoes of the Great Rift Valley. Subcategories. This category has the following 2 subcategories, out of 2 total. M. Mount Kenya (21 P)
Dabbahu Volcano (also Boina, Boyna or Moina) is an active volcano located in the remote Afar Region of Ethiopia. This stratovolcano [2] is part of the Afar Triangle (Afar Depression), a highly active volcanic region which includes Erta Ale. [1] An eruption on September 26, 2005 created a large fissure in the ground, known as the Dabbahu fissure.