Kaitoku volcano (Kaitoku Kaizan) is a massive active seamount composed of 3 overlapping submarine volcanoes in the Japanese Volcano Islands chain, 130 km NW of Iwo-jima Island. Its 3 peaks are 13-18 km apart and reach depths of 103 m (SW peak, also known as Nishi-Kaitokuba, West Kaitokuba), 353 m (SE peak, Higashi-Kaitokuba, East Kaitokuba), and 506 m (N peak).