Magma anoputika pamusoro pemvura kubva kumhepo iri pasi pePatara kana pamapani kubva pamapapiro, achiburitsa mavhoriyamu akawedzerwa, akaumbwa nemapapiro akafanana neaya anoonekwa paKilauea muHawaii. Mifananidzo kubva kuGalileo spacecraft yakaratidza kuti mazhinji emapapiro makuru eIo, akadai seaya ari paPrometheus neAmirani, anogadzirwa nekuunganidzwa kwekuputika kudiki kwemapopoma pamusoro pemapopoma ekare. Kuputika kukuru kwemapopoma kwakacherechedzwawo paIo. Semuenzaniso, kumucheto kwekutungamira kwePrometheus kuyerera kwakatamira 75 kusvika 95 km (47 kusvika 59 mi) pakati peVoyager neGalileo yekutanga kuongorora muna 1996. Kuputika kukuru kwakaitika muna 1997 kwakaburitsa anopfuura 3,500 km2 (1,400 sq mi) yemapopoma uye yakaumbwa nemapopoma akafanana neaya akaonekwa paKilauea muHawaii, achiburitsa mavhoriyamu akafanana neaya akawanikwa paKilauea.
sulfur dioxide (sarufa yakasviba)