2011–2012 Puyehue-Cordón Caulle eruption

The 2011–2012 Puyehue-Cordón Caulle eruption ([puˈʝewe]) was a volcanic eruption that began in the Puyehue-Cordón Caulle volcanic complex in Chile on 4 June 2011. The eruption, which occurred from the Cordón Caulle fissure after 51 years of the volcano being inactive, is one of the largest volcanic eruptions of the 21st century thus far.