ANCIENT INQUIRY
AT-1171

Ancient megalithic construction beneath the sea off Ryukyu Islands in Japan, submerged by post glacial sea-level change

DOI · Primary evidence / text

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Canonical source ID
AT-1171
Accepted usage IDs
AT-1171
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DOI
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Primary evidence / text
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verified
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unavailable-through-registered-public-or-tdm-routes
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Recorded research uses

AT-1171

Yonaguni Monument

Why Ancient Inquiry uses this citation here

Masaaki Kimura's 2004 IEEE conference proceedings paper and the primary technical claimant source for ancient construction or modification; establishes the published claim, not archaeological consensus or an accepted date.

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Topics citing it and claims using it

Topic citing this source

Yonaguni Monument

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Supporting citation for public claim

The claim that Yonaguni is an ancient built or substantially modified structure remains unproven.

The physical formation is real and testable, but the cultural interpretation lacks artifact context.
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Supporting citation for public claim

Limited human modification of Yonaguni remains possible but is not demonstrated by a secure archaeological context in the catalog.

Answer / theory: It is possible in principle, but not demonstrated. What supports it: Natural platforms could have been usable by people if exposed. What is weak or disputed: No clear modification marks are accepted. Evidence level: Plausible but Unproven.
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Ancient megalithic construction beneath the sea off Ryukyu Islands in Japan, submerged by post glacial sea-level change

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