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Manda Hararo

Volcano
Volcano typeComplex of shield volcanoes normal or dormant
LocationEthiopia
Summit elevation600 m (1,968 ft)
Manda Hararo volcano eruptionsAug 2007
Typical eruption styleEffusive fissure eruptions
Manda Hararo complex is located on the southernmost axial range of the western Afar triangle, inside the Kalo plain, SSE of Dabbahu volcano. The first historic eruption witnessed at this volcano took place in August 2007, when a series of cracks opened in the ground, some of which erupted basaltic lava flows. The activity was accompanied by an intense seismic activity and many signs of ground deformation typical of rift spreading zones. The massive complex is 105 km long and 20-30 km wide, and represents an uplifted segment of a mid-ocean ridge spreading center. A small basaltic shield volcano is located at the northern end of the complex, south of which is an area of abundant fissure-fed lava flows. Two basaltic shield volcanoes, the largest of which is Unda Hararo, occupy the center of the complex. The dominant part of the complex lies to the south, where the Gumatmali-Gablaytu fissure system is located. Voluminous fluid lava flows issued from these NNW-trending fissures, and solidified lava lakes occupy two large craters. The small Gablaytu shield volcano forms the SE-most end of the Manda Hararo complex. Lava flows from Gablaytu and from Manda overlie 8000-year-old sediments. Hot springs and fumaroles occur around Daorre lake.



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Source: adapted from GVP, Manda Hararo information
 

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