The Devil's Sea

The Pacific's own triangle. Japan sent a research vessel; the sea kept it.

The 'Devil's Sea' triangle south of Japan entered the literature through Berlitz-era books claiming nine ship losses (1952-54) and a Japanese government 'danger zone' designation. Documented checking (Kusche's 'The Bermuda Triangle Mystery — Solved' methodology applied here) found the losses were fishing vessels across a vast area in typhoon seasons, and the 'designation' a routine notice tied to the real Kaiyo Maru No.5 loss (1952 — a research vessel destroyed by the Myōjin-shō submarine volcano eruption, 31 dead, documented). The node keeps the real volcanic tragedy and files the triangle around it.