Nemrut (volcano) the region. The collision of these plates began in the Middle Eocene and closed the stretch of water, which in the Mesozoic formed the Tethys Ocean. Nemrut, along with three other extinct volcanoes of eastern Turkey: Ararat, Tendürek and Süphan, is located in the area of a complex fault, which runs along the boundary of the Arabian and Eurasian plates in the territory of the Armenian Highland. It is the westernmost of these volcanoes, the only one that remains active, and generally the only volcano in Anatolia, which erupted in the historical period. Nemrut is located 10 km north of
Mount Bahaya define the northern Horn of Africa in most of Somalia, and which extend further east, their peaks forming the Socotra Archipelago. Bahaya, along with the surrounding range, is mostly made up of the deeply-eroded remnants of an ancient volcanic chain. Mount Bahaya Mount Bahaya (Somali language: "Buurta Baxaya", sometimes spelled Mount Bahaja), also known as Mount Karkoor, is the fourth-tallest mountain in Somalia, after the triple-peaked mountains Mount Shimbiris, Mount Surud Cad, and Mount Warraq. It is the only Ultra-prominent peak in the country with a summit of about . It is located in the northern Bari region, east of