Smoke and lava spew from the Villarrica volcano, as seen from Pucon town in the south of Santiago, April 20, 2015. Authorities have restricted access to the area within 5 kilometres (3 miles) of the crater and have put the area under an orange alert due to the volcano's heightened unrest and increased likelihood of eruption. [Photo/Agencies] |
Chile, on the Pacific 'Rim of Fire', has the second largest chain of volcanoes in the world after Indonesia, including around 500 that are potentially active.