The Puyehue-Cordon Caulle volcano, dormant for decades, erupted in south-central Chile in 2011, belching ash more than six miles (10 km) into the sky. Winds fanned the ash toward neighbouring Argentina, and prompted the government to evacuate several thousand residents.
Before & After
. Bariloche, Argentina. Reuters/Chiwi Giambirtone
. Bariloche, Argentina. Reuters/Chiwi Giambirtone
Before: The shore of Lake Nahuel Huapi, Argentina, in 2009. After: Almost two years later, shortly after the eruption, pumice and ash from the Puyehue Volcano cover the shore.