Volcano erupts on Chilean-Argentina border

Local residents watch a column of smoke and ash rise from the Copahue volcano, located on the Chilean-Argentine border, from Caviahue in the Argentina patagonian province of Neuquen Dec 22, 2012. The volcano's constant activity prompted the provincial emergency committe (COE) network to issue a rutinary emergency operation in the closest Argentine localities to the volcano. Chilean authorities have declared red alert at the area of "Alto Biobio" but not to the point of calling for evacuations Gonzalo Arroyo, the regional director of the Chilean National Emergency Office said. [Photo/Agencies]