Mystery AtlasYonaguni Man-Made Monument Theory
The position, associated with marine geologist Masaaki Kimura, that the Yonaguni Monument is an artificial structure, possibly a quarried platform or the remains of a submerged ancient settlement.
This is a knowledge-graph entry: what our data records about Yonaguni Man-Made Monument Theory and how it connects to the rest of the atlas. It does not have a full article of its own yet.
Connected to
How this topic links to the people, places, and ideas around it — drawn from our knowledge graph.
Theories & Explanations
Yonaguni Man-Made Monument Theory contradicts Yonaguni Natural Formation Explanation.
Yonaguni Man-Made Monument Theory is frequently confused with Ancient Astronaut Hypothesis — Popular documentaries and lost-civilisation books frequently group Yonaguni with ancient-astronaut theorising, though Kimura's own claim proposes human, not extraterrestrial, builders.
People
Yonaguni Man-Made Monument Theory was popularised by Masaaki Kimura.
Places
Yonaguni Man-Made Monument Theory attempts to explain Yonaguni Monument.
Explored on these pages
What Is the Ancient Astronaut Hypothesis?
What the ancient astronaut hypothesis claims, where it came from (Erich von Däniken's 1968 book), and why mainstream archaeology rejects it.
What Is the Yonaguni Monument?
What the Yonaguni Monument is: Japan's submerged rock formation, the man-made monument theory, and why most geologists say it's entirely natural.