Africa as a continent will eventually split into two according to research done by experts. say.
The experts note that, the East African Rift system made up the western and eastern continental rifts is an active continental rift that began millions of years ago, splitting at 7mm annually.
“The regular eruption of volcanoes along the rift and new insights into the break up of continents adds to the belief that the continent may be splitting to form a new ocean.” reads part of the research findings published by Quartz Africa.
East Africa is home to several visible geographical wonders that have attracted tourists to the area. These include Lake Malawi and Tanzania’s Lake Tanganyika—respectively, the fourth largest freshwater and the second deepest lakes in the world. It also includes active volcanoes such as the Ol Doinyo Lengai in Tanzania, and the DallaFilla and Erta Ale in Ethiopia.
The Erta Ale stands out as one of the world’s most active volcanoes and one of the only eight and possibly the longest-existing lava lakes in the world.
Though not visible to tourists, among the wonders of the region is the Victoria microplate, one of the largest continental microplates. The Victoria microplate is a rift branch which, along chains of deep lakes and volcanoes, makes up the several features of the East African Rift System.
In a recent study, the Victoria microplate, which lies between the eastern and western branches of the Rift, was found to be rotating counterclockwise for the last two years with respect to the African Plate—the major tectonic plate constituting most of the African continent. This microplate was found to rotate in the opposite direction to all the other neighboring microplates in the region.
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While this gives researchers new insight into the splitting process of the East Africa Rift system, the “Y” shaped end of the rift at the Afar region is getting more attention as to where an ocean will likely be formed if the splits continue. The “Y” shaped junction is where the African, Somalian, and Arabian tectonic plates meet near Djibouti and Eritrea and it is associated with active volcanos including the Erta Ale volcano.
Researchers believe the volcanic activity in the region suggests a rift-to-ridge transition. The Erta Ale has been erupting constantly for over 50 years and it is believed that as the Erta Ale continues to erupt, a new narrow ocean basin with its mid-ocean ridge will be formed.
However, researchers are uncertain about the future of the East African rift—whether the split will continue and an ocean will eventually be formed. At the rate at which the Afar rift is splitting, it will take tens of million years for an ocean to eventually be formed.
