Since 2005, a 35-mile fissure has been forming at this geologic region’s Dabbahu Volcano. A major lava lake lies in this region’s volcano Erta Ale. A formation denoted “RRR” in this region created its Gulfs of Zula and Tadjoura. This region’s Awash River yielded the Hadar jaw—arguably the oldest Homo specimen—and (-5[1])the namesake of Ardipithecus, whose name derives from a language sharing this region’s name. It’s not Iceland, but a terrestrial mid-ocean ridge in this region exemplifies (*) ocean formation. This region’s Lake Assal (-5[1])is Africa’s lowest point. The now-ghost town of Dallol in this region has the world record for hottest inhabited place and is in its Danakil Desert. (10[1])As the “Lucy” skeleton was found in this region, its species name refers to it. For 10 points, name this region formed by a triple junction of the African, Arabian, and Somali plates, centered on Djibouti. ■END■ (10[1]0[1])