Image provided by Chile's National Service of Geology and Mining (Sernageomin) and Chile's National Emergency Office (Onemi) shows Copahue volcano spewing ash near Chile's southern town of Alto Biobio, on May 24, 2013. Some 1,400 Chilean residents near Copahue Volcano have been evacuated after an alert was issued on an imminent eruption, a local official said on May 31, 2013. (Xinhua/SERNAGEOMIN/ONEMI)

Image provided by Chile's National Service of Geology and Mining (Sernageomin) and Chile's National Emergency Office (Onemi) shows Copahue volcano spewing ash near Chile's southern town of Alto Biobio, on May 24, 2013. Some 1,400 Chilean residents near Copahue Volcano have been evacuated after an alert was issued on an imminent eruption, a local official said on May 31, 2013. (Xinhua/SERNAGEOMIN/ONEMI)