Isluga is a 18,209ft-high stratovolcano which lies in Colchane, 7 km west of the Chile/Bolivia border and at the west end of a group of volcanoes lined up in an east-west direction, which also includes the volcanoes Cabaray and Tata Sabaya. Isluga has an elongated summit area and lies within the borders of Volcán Isluga National Park. Isluga is a large elongated volcanic complex, which currently shows fumarolic activity. On top of it summit there is a a 400 m wide crater. Major eruptions occurred in 1868, 1869, 1877, and 1878. Minor eruptions occurred in 1863 and 1885. Sulphur is deposited at the volcano base. Some activity was reported in 1913.
Satellite Photo of Isluga Volcano