Ruwitūn̄tūn̄

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Ruwitūn̄tūn̄ is a guyot in the Pacific Ocean which reaches a depth of 1,215 metres (3, 986 ft) below sea level. It is capped off with a summit platform covered in sediments and some volcanic pinnacles with craters. Basaltic rocks have been found on Ruwitūn̄tūn̄.

Adapted from Wikipedia (CC BY-SA). Photography via Wikimedia Commons.