Tonga volcano could cause unusual weather for rest of decade: study Sub: Geography Sec: Geomorphology Hunga Tonga-Hunga Ha’apai Eruption: Erupted on January 15, 2022, in Tonga. Hunga Tonga–Hunga Haʻapai is a submarine volcano in the South Pacific located about 30 km (19 mi) south of the submarine volcano of Fonuafoʻou and 65 km […]