Yonaguni II – Iseki Point South Terrace Pseudo
Yonaguni South Terrace · Iseki Point South secondary claim
Pseudoarchaeology (2012–present)·Pseudoarchaeology (Yonaguni secondary)·🇯🇵 Okinawa, Yaeyama Islands, Yonaguni South Terrace, Japan
About
About Yonaguni II – Iseki Point South Terrace Pseudo
Masaaki Kimura's secondary 2012 claim extends the Yonaguni offshore 'ruins' 500 m south to a 'south terrace' at 24.445°N 122.991°E, 25 m depth, described as a 40×20 m secondary pyramid with harbour moat. The feature, imaged by hammer seismic and ROV, is Yaeyama sandstone bedding planes dipping 12° with natural joint sets, indistinguishable from 25 m contour ledge that tracks unmodified 150 m north to south. Schoch–West–Hirai (1993–2016) matched terrace edges to natural 5 cm bedding thickness, with no tool marks and foraminifera in situ crossing terrace riser. The moat is erosional slot. No harbour mud exists – the terrace is Pleistocene shoreface, not harbour.
Why it mattersSecondary extension case; debunk establishes bedding-continuity test for Yonaguni fringe claims.
Open questions
Mysteries & theories
Mysteries
- 01Why bedding continuity test is ignored by secondary claims
Theories
- 01Confirmation bias extends any bedding ledge 500 m south when main Monument debunked
Theories are interpretations, not findings. The seal above tells you how much scholarly weight the place carries.
History
How it came to be
- Built
- 2012 (Kimura south terrace claim)
- Period
- Pseudoarchaeology (2012–present)
- Culture
- Pseudoarchaeology (Yonaguni secondary)
- Purpose
- Pseudo – extend Yonaguni phantom southward
- Abandoned
- —
- Rediscovered
- —
- Excavation
- Not applicable
2012
Kimura publishes south terrace as second pyramid
2016
Schoch–Hirai dive: terrace is bedding plane, moat erosional
On the ground
Structures & features
24.4450° N · 122.9910° E · -25 m · 3 mapped features
South Terrace Bedding
harbour40×20 m bedding ledge at 24.445°N 122.991°E – sandstone at Yonaguni II – Iseki Point South Terrace Pseudo
24.4450° N · 122.9910° EBedding Continuity Line
canal150 m bedding continuity trace north–south – plain strata at Yonaguni II – Iseki Point South Terrace Pseudo
24.4460° N · 122.9850° EJoint Slot (Pseudo-Moat)
canal12 m erosional slot – natural joint set at Yonaguni II – Iseki Point South Terrace Pseudo
24.4440° N · 122.9920° E
Gallery