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> RECORD OBS-0197 | status: DEBUNKED | filed 2026-07-31
Home > Unexplained > Devil's Sea (Dragon's Triangle) Disappearances

Devil's Sea (Dragon's Triangle) Disappearances

RecordOBS-0197
CategoryUnexplained/Bermuda Triangle
StatusDEBUNKED
SummaryThe Devil's Sea, also known as the Dragon's Triangle, is a region of the Pacific Ocean off the coast of Japan where proponents claim ships and aircraft have mysteriously disappeared. The area is often described as the Pacific equivalent of the Bermuda Triangle, with legends of sea dragons and paranormal forces. Skeptics and scientists attribute the incidents to natural phenomena such as volcanic activity, methane hydrates, and severe weather.
OriginThe legend of the Devil's Sea dates back centuries, with Japanese folklore mentioning dangerous waters and sea dragons. The term 'Ma-no Umi' (Sea of the Devil) was used by Japanese fishermen, and the area gained wider attention in the 20th century, particularly after the disappearance of the research vessel Kaio Maru No. 5 in 1952. Author Charles Berlitz popularized the concept in his 1989 book 'The Dragon's Triangle'.
Claimed
  • The Devil's Sea is a paranormal zone where ships and aircraft vanish without a trace.
  • Kublai Khan's invasion fleets in 1274 and 1281 were destroyed by supernatural forces in the area.
  • The Japanese government declared the area dangerous after the Kaio Maru No. 5 disappeared with 31 crew members.
  • The area is one of the twelve 'Vile Vortices' with stronger electromagnetic pulls.
  • Sea dragons or other mythical creatures attack vessels in the region.
  • The MV Derbyshire, a British bulk carrier, disappeared in the area in 1980 due to unexplained causes.
Evidence / consensusScientific investigations have found no evidence of paranormal activity. The disappearances can be explained by natural phenomena: the area is volcanically active, with undersea volcanoes and seismic activity; methane hydrate eruptions can create bubbles that reduce buoyancy and capsize ships; and the region is prone to typhoons and rogue waves. The MV Derbyshire was found in 1994, and its sinking was attributed to structural failure during a typhoon.
> OBSERVER NOTE:
Record filed. The Devil's Sea is a classic example of a maritime mystery that dissolves under scrutiny. The natural hazards are real, but the supernatural narrative is unsupported. The Kaio Maru No. 5's fate remains officially unknown, but volcanic activity is a plausible cause.

Sources

  1. Devil's Sea - Wikipedia
  2. Unexplained Mystery: The Devil's Sea (The Dragon's Triangle)
  3. Beyond the Bermuda Triangle: The Devil's Sea | New Zealand Geographic
  4. What Scientists Found in the Deadliest Part of the Pacific - YouTube

Sources are external and provided for verification. Listing does not imply the Observer endorses their claims.