Dust Over the Afar Depression, Ethiopia and Eritrea12.3N 40.7E
Dust blows across the Red Sea and the Bab-el-Mandeb Strait (upper right), over Eritrea (by the coast) and over Ethiopia. In Ethiopia, it is hemmed in and funneled southwards by the mountains bordering the Afar Region. The name of the funnel-shaped area is the Afar Depression or Afar Triangle, a geological depression that is caused by the Afar Triple Junction which is part of the Great Rift Valley. It overlaps Eritrea, Djibouti and the entire Afar Region of Ethiopia. Visible near the left edge, unaffected by the dust, is the green Lake Tana.