Photo provided on Dec. 30, 2013 by El Salvador's Presidency shows the Chaparrastique Volcano of El Salvador. El Salvador's Chaparrastique Volcano erupted early Sunday, spewing a tall column of ash and smoke into the sky. (Xinhua/El Salvador's Presidency)

Photo provided on Dec. 30, 2013 by the Ministry of Environment of El Salvador shows the Chaparrastique Volcano of El Salvador. El Salvador's Chaparrastique Volcano erupted early Sunday, spewing a tall column of ash and smoke into the sky. (Xinhua/Ministry of Environment of El Salvador)

Photo provided on Dec. 30, 2013 by the Ministry of Environment of El Salvador shows the Chaparrastique Volcano of El Salvador. El Salvador's Chaparrastique Volcano erupted early Sunday, spewing a tall column of ash and smoke into the sky. (Xinhua/Ministry of Environment of El Salvador)

Photo provided on Dec. 30, 2013 by the Ministry of Environment of El Salvador shows the Chaparrastique Volcano of El Salvador. El Salvador's Chaparrastique Volcano erupted early Sunday, spewing a tall column of ash and smoke into the sky. (Xinhua/Ministry of Environment of El Salvador)