Devil's Sea - Mysteries

The Devil’s Sea

November 9, 2026November 9, 2026 by Tommy Hayes

The Myōjin-shō underwater volcano erupting in September 1952, photographed three days after the eruption destroyed the survey ship Kaiyo Maru No. 5

About 4 min readSouth of Tokyo lies a stretch of Pacific the Japanese call ma no umi — the devil sea. A bestselling book made it a Bermuda Triangle of the East. The real story is smaller, stranger, and mostly about a volcano.