 Nyorai kupfuurira kweiyi ndima - Kuputika kwakapfuura kwave kune Volcanic Explosivity Index VEI iri pakati pe4 ne6 pachiyero che0 kusvika ku8. Mukuenzanisa, kuputika kweEyjafjallajökull muna 2010 kwakanga kune VEI ye4. Kuputika kukuru kweVEI-5 kunoenzaniswa nokuputika kweGomo reSt. Helens muna 1980, nepo kuputika kweVEI-6 kusingawanzoitiki kungaenzaniswa neKrakatoaKuputika kwa1883 uye kuputika kwa1991 kweGomo rePinatubo. 