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Figure 16. Photograph 17-32-014. Near vertical  view on Erta Ale, a giant shield volcano in the northern Afar Triangle. North is at bottom of the picture. The lake at the north base of Erta Ale (3372 ft) is 410 ft below sea level. Volcanoes abound to the south where the spreading center jumps eastward (right) to the base of the Ethiopian escarpment. Erta Ale is about 50 miles long.