The worst volcanoes based on economic impact By MyNameSucc Period: 1 CE to 2069 year 1980 Mount St Helens USA est lost 860m usd 1982 Galunggung Indonesia est lost 160m 1982 El Chichon Mexico est lost 117m usd 1983 Gamalama Indonesia est lost 149m usd 1985 Nevado del Ruiz Colombia est lost 1000m usd 1991 Mount Pinatubo , Philippines est lost 211m usd 1994 Rabaul Papua New Guinea est lost 110m usd 2006 Tungurahua Ecuador est lost 150m usd 2011 Puyehue-Cordon Caulle Chile est lost 104m usd 2015 Calbuco, Chile est lost 600m usd