Dragon's Triangle — Pacific Bermuda Triangle

Overview

Somewhere in the vast Pacific, roughly south of Tokyo, there supposedly lies a patch of ocean so treacherous that it swallows ships the way the Bermuda Triangle allegedly devours aircraft. The Dragon’s Triangle — also known as the Devil’s Sea, the Formosa Triangle, or its Japanese name Ma no Umi (Sea of the Devil) — has been called the Pacific’s answer to the Bermuda Triangle, a mirror image of maritime mystery on the opposite side of the globe.

The legend gained traction in the West through Charles Berlitz, the same bestselling author who made the Bermuda Triangle a household name. According to Berlitz and other writers, Japan lost five military research vessels in the region during the early 1950s, prompting the government to declare the area a danger zone. The implication was clear: something strange and possibly supernatural was happening in those waters.

But as with many compelling mystery narratives, the Dragon’s Triangle story begins to unravel when you pull at the threads. The region’s boundaries have never been formally defined, the casualty numbers appear inflated, and the one confirmed vessel loss — the Kaiyo Maru No. 5 — has a perfectly mundane, if tragic, explanation: an underwater volcanic eruption. What remains is a fascinating case study in how legends are manufactured, exported across cultures, and sustained by the human hunger for mystery.

Origins & History

The Dragon’s Triangle legend has two distinct origin stories — one ancient, one modern — and the tension between them says a great deal about how conspiracy theories accumulate credibility.

Ancient Roots

Japanese maritime folklore is rich with stories of dangerous seas. For centuries, fishermen spoke of regions where dragons lurked beneath the surface, dragging vessels to their doom. The name Ma no Umi — Sea of the Devil — has been used informally for generations to describe treacherous waters south of the Japanese archipelago. These legends were not unlike the sea monster stories told by European sailors: attempts by pre-scientific cultures to explain the very real dangers of the open ocean, including typhoons, rogue waves, and volcanic activity.

Chinese legends also contributed to the mythology. Ancient texts described a region where ships simply vanished, and some accounts connected these disappearances to the mythical undersea palace of the Dragon King. The name “Dragon’s Triangle” itself may derive from these Chinese traditions.

The Kaiyo Maru No. 5 Incident

The modern legend crystallized around a real tragedy. In September 1952, the Japanese research vessel Kaiyo Maru No. 5 disappeared while investigating volcanic activity in the waters near Myojin-sho, an underwater volcanic reef about 300 kilometers south of Tokyo. All 31 crew members were lost. The Japanese government dispatched search teams, and investigators concluded the vessel had been destroyed by a submarine volcanic eruption — a known and documented hazard in this geologically active zone.

This was a genuine maritime disaster, but it was not mysterious. The ship had been sent specifically to study underwater volcanism and was lost to the very phenomenon it was investigating. There was no “unexplained disappearance.”

The Berlitz Amplification

The story might have remained a footnote in Japanese maritime history were it not for Charles Berlitz. In his 1989 book The Dragon’s Triangle, Berlitz claimed that Japan had lost five military vessels and over 700 crew members in the region between 1952 and 1954, and that the Japanese government had subsequently declared the area a danger zone. He connected these alleged losses to the Bermuda Triangle, suggesting both regions were part of a global pattern of paranormal activity.

Berlitz’s claims were dramatic but poorly sourced. Researchers who attempted to verify his account found that the “five vessels” claim conflated different incidents across different time periods and different locations. The “danger zone” declaration, to the extent it existed, was a standard maritime advisory related to volcanic activity — not an acknowledgment of paranormal phenomena.

Ivan T. Sanderson’s Vile Vortices

Before Berlitz, the naturalist and Fortean researcher Ivan T. Sanderson had identified what he called twelve “vile vortices” around the globe — regions where anomalous disappearances supposedly clustered. The Devil’s Sea was one of them, and the Bermuda Triangle was another. Sanderson published his vortex theory in a 1972 article for Saga magazine, arguing that these zones aligned with specific geometric patterns on the Earth’s surface and might represent areas of unusual electromagnetic or gravitational activity.

Sanderson’s framework gave the Dragon’s Triangle a pseudo-scientific pedigree. It was no longer just a regional legend; it was part of a global anomaly pattern that demanded explanation.

Key Claims

Proponents of the Dragon’s Triangle mystery typically assert some combination of the following:

• Mass disappearances: Hundreds of ships and aircraft have vanished in the region without explanation, at rates far exceeding normal maritime losses
• Government acknowledgment: Japan officially recognized the area as a danger zone due to inexplicable vessel losses, implicitly admitting something abnormal was occurring
• Paranormal activity: Crews have reported compass malfunctions, time distortion, strange lights, and electromagnetic anomalies within the triangle
• Pattern connection: The Dragon’s Triangle and Bermuda Triangle are diametrically opposed on the globe, suggesting a planetary-scale phenomenon — possibly involving Earth’s magnetic field, gravity anomalies, or interdimensional gateways
• Historical depth: The region has been feared for centuries, with Japanese and Chinese legends predating modern navigation
• USO activity: Unidentified submerged objects have been observed in the area, potentially connecting the triangle to extraterrestrial activity
• Kublai Khan’s fleet: Some accounts claim that Kublai Khan lost ships in the Dragon’s Triangle during his attempted invasions of Japan in 1274 and 1281 — though mainstream historians attribute these losses to typhoons (the legendary kamikaze or “divine wind”)

Evidence

What Exists

The region south of Japan is genuinely geologically remarkable. It sits along the Pacific Ring of Fire, one of the most seismically active zones on Earth. The Izu-Bonin-Mariana arc produces frequent earthquakes and volcanic eruptions, including submarine eruptions that can create sudden, violent disturbances on the ocean surface. The Myojin-sho reef alone has erupted multiple times, producing new volcanic islands that sometimes persist for months before being eroded away by waves.

The Kaiyo Maru No. 5 loss is documented and real. Several other vessels have been lost in the broader region over the decades, though maritime historians note this is not surprising given the area’s heavy shipping traffic, typhoon exposure, and geological hazards.

Japanese folklore about dangerous seas is also well-documented and predates any modern conspiracy narrative.

What Does Not Hold Up

Larry Kusche, the researcher who famously debunked the Bermuda Triangle in his 1975 book The Bermuda Triangle Mystery — Solved, applied similar scrutiny to the Dragon’s Triangle claims. His findings were damning for the legend:

• The disappearance numbers were inflated or fabricated. Many of the “lost” vessels cited by Berlitz and others either sank in storms (a normal maritime risk), were lost in documented wartime actions, or could not be verified as having existed at all
• The boundaries were gerrymandered. The “triangle” was drawn differently by different authors to include or exclude specific incidents, making statistical analysis meaningless
• The “danger zone” was about volcanoes, not paranormal activity. Japanese maritime advisories in the region were standard safety warnings related to underwater volcanic eruptions
• Shipping density matters. The waters south of Japan are among the most heavily trafficked in the world; even a normal loss rate produces a large absolute number of incidents

Lloyd’s of London, the world’s leading maritime insurance market, has never classified the Dragon’s Triangle as a statistically unusual risk zone.

Debunking / Verification

The Dragon’s Triangle occupies an uncomfortable middle ground. No serious maritime authority treats it as anomalous, and the specific claims made by Berlitz and Sanderson have been largely debunked. The region is dangerous — but dangerous in thoroughly explicable ways involving volcanoes, earthquakes, typhoons, and heavy shipping traffic.

However, the “debunked” label does not quite fit either. Unlike flat Earth theory, there is no single definitive disproof, because the claims were always vague enough to resist falsification. The Dragon’s Triangle legend functions less like a testable hypothesis and more like a mood: a general sense of unease about a specific patch of ocean, sustained by folklore, amplified by pop culture, and resistant to data.

The most honest assessment: the Dragon’s Triangle is a real place with real dangers, but the idea that it exhibits paranormal properties beyond those dangers is unsupported by evidence.

Cultural Impact

The Dragon’s Triangle has had a more modest cultural footprint than its Atlantic cousin, but it has carved out a distinctive niche in both Japanese and Western pop culture.

In Japan, the Ma no Umi concept feeds into a broader cultural tradition of kaidan (ghost stories) and maritime folklore. Japanese manga and anime have frequently depicted dangerous oceanic zones with supernatural properties, and the Devil’s Sea makes appearances in popular franchises.

In the West, the Dragon’s Triangle gained prominence primarily as a supporting character in Bermuda Triangle narratives. The idea that two anomalous zones exist on opposite sides of the globe was too symmetrical, too aesthetically satisfying, for paranormal writers to resist. It appeared in numerous television documentaries throughout the 1990s and 2000s, typically presented alongside the Bermuda Triangle as evidence of a global mystery.

The concept of Sanderson’s “vile vortices” — a geometric grid of anomalous zones spanning the planet — has taken on a life of its own in New Age and alternative history communities. The Dragon’s Triangle serves as Exhibit B (after the Bermuda Triangle) in arguments for planetary-scale paranormal geography.

In Popular Culture

• The Dragon’s Triangle (1989) — Charles Berlitz’s book that brought the legend to mainstream Western audiences
• The Legend of the Bermuda Triangle (various TV documentaries) — The Dragon’s Triangle frequently appears as a companion segment
• Godzilla franchise — While not explicitly referencing the Dragon’s Triangle, the franchise draws on the same Japanese folklore about monstrous forces lurking beneath the Pacific
• Video games — The region appears in several mystery and adventure titles, including entries in the Tomb Raider and Uncharted series
• Ancient Aliens (History Channel) — Multiple episodes have featured the Dragon’s Triangle as evidence of underwater alien bases

Key Figures

• Charles Berlitz (1914-2003) — Author and linguist who popularized both the Bermuda Triangle and Dragon’s Triangle through bestselling books. His works were enormously influential but widely criticized for inaccuracy and sensationalism
• Ivan T. Sanderson (1911-1973) — Scottish-American naturalist and Fortean researcher who proposed the “vile vortices” theory, placing the Dragon’s Triangle in a global geometric pattern of anomalous zones
• Larry Kusche (1940-present) — Librarian and researcher whose methodical debunking of Bermuda Triangle claims also undermined the Dragon’s Triangle narrative
• Crew of Kaiyo Maru No. 5 — The 31 Japanese researchers and crew lost in 1952, whose deaths formed the factual core around which the legend was constructed

Timeline

Sources & Further Reading

• Berlitz, Charles. The Dragon’s Triangle. Wynwood Press, 1989.
• Kusche, Lawrence David. The Bermuda Triangle Mystery — Solved. Prometheus Books, 1975.
• Sanderson, Ivan T. “The Twelve Devil’s Graveyards Around the World.” Saga, 1972.
• Stanton, Bill. “The Bermuda Triangle and Other Hoaxes.” Naval History Magazine, 2003.
• Japan Meteorological Agency. Historical records on Myojin-sho volcanic activity.
• Lloyd’s of London. Maritime casualty statistics for the Western Pacific region.
• Kimura, Masaaki. “Submarine Volcanism and the Formation of the Izu-Bonin Arc.” Journal of Geophysical Research, 1986.

Related Theories

• Bermuda Triangle — The Atlantic counterpart and the most famous “anomalous zone” theory
• Hollow Earth — Some vile vortex theorists connect anomalous zones to entrances to the Earth’s interior
• USOs - Underwater UFOs — Claims of unidentified submerged objects in the Dragon’s Triangle region