Nemrut (volcano) of Lake Van, which is near the volcano, allowed clarification of the chronology and activity of recent eruptions. The potential activity of Nemrut and the close proximity of several Turkish cities inspired recent in-depth studies. In October 2003, the first in Turkey real-time seismic network of sensors has been installed around the volcano. During the first three years of operation the network has registered 133 seismic events with a magnitude of 1.3–4.0. Eruptions of Nemrut were mainly of Plinian type. Their products are mainly alkaline and include a wide range of lavas: from basalt to rhyolite and phonolite, as well
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