Tofua
Tofua Caldera is the summit caldera of a steep-sided composite cone that forms Tofua Island in Tonga. Tofua Island is in Tonga's Ha'apai island group.
Tofua Caldera is the summit caldera of a steep-sided composite cone that forms Tofua Island in Tonga. Tofua Island is in Tonga's Ha'apai island group.