Shefa Province, Vanuatu
16.992 S, 168.592 E
summit elevation 521 m (Tongariki)
Caldera
This caldera lies South of Tongoa. The exposed part of the rim is marked by the islands of Ewose, Buninga and Tongariki.
Little is known about this submerged caldera.
John has been providing unique tours to the South Pacific since 1989.
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