Erta Ale is an active shield volcano located in the Afar Region of northeastern Ethiopia. It is the most active volcano in Ethiopia. Erta Ale stands 613 metres tall, with a lava lake, one of only four in the world, at the summit. It is located in the Danakil Depression, a desert area spanning the border with Eritrea. Erta Ale's last major eruption was in 2005, when thousands of nearby residents