A study of paleoearthquakes at archeological sites
TLDR
The field of earthquake archaeology has become popular both in archeology and paleoseismology and many important and useful results have been gradually obtained as discussed by the authors, which will lead to a deeper understanding of the natural and cultural history of the earthquake-prone country, Japan.Abstract:
Traces of paleoearthquakes have been found at many archeological sites in Japan. However, most of them have been neglected to date and not considered to be a subject relevant to archeological research. The author has studied these traces since 1988, naming this new study field "Earthquake Archaeology". The field has become popular both in archeology and paleoseismology and many important and useful results have been gradually obtained. These developments will lead to a deeper understanding of the natural and cultural history of the earthquake-prone country, Japan. Most paleoearthquake phenomena present at archeological sites manifest as liquefaction, lateral spreading and landslides. Detailed geological observations may also contribute to a reduction in damage caused by big earthquakes.read more
Citations
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A systematic review of geological evidence for Holocene earthquakes and tsunamis along the Nankai-Suruga Trough, Japan
Ed Garrett,Ed Garrett,Osamu Fujiwara,Philip Garrett,Vanessa M.A. Heyvaert,Vanessa M.A. Heyvaert,Masanobu Shishikura,Yusuke Yokoyama,Aurélia Hubert-Ferrari,Helmut Brückner,Atsunori Nakamura,Marc De-Batist +11 more
TL;DR: In this article, the authors summarise the current state of knowledge regarding geological evidence for past earthquakes and tsunamis along the Nankai-Suruga Trough and highlight issues over alternative hypotheses for proposed palaeoseismic evidence.
Geological evidence for Holocene earthquakes and tsunamis along the Nankai-Suruga Trough, Japan
Ed Garett,Osamu Fujiwara,Philip Garrett,Vanessa M.A. Heyvaert,Masanobu Shishikura,Yusuke Yokoyama,Aurelia Hubert,Atsunori Nakamura,Marc De Batist +8 more
TL;DR: In this paper, the authors summarise the current state of knowledge regarding geological evidence for past earthquakes and tsunamis along the Nankai-Suruga Trough and highlight issues over alternative hypotheses for proposed palaeoseismic evidence.
Journal ArticleDOI
A possible scenario for earlier occurrence of the next Nankai earthquake due to triggering by an earthquake at Hyuga-nada, off southwest Japan
TL;DR: In this article, the authors examined the effect of the occurrence timing of the M petertodd w 7 Hyuga-nada earthquake on the western extension of the source region of Nankai Trough earthquakes on the assumed seismic cycles, and they found that in the latter half of a seismic cycle preceding a large NE earthquake, an immature NE tends to be triggered within several years after the occurrence of a Hyuga nada earthquake, then Tokai (Tonankai) earthquakes occur with maximum time lags of several years.
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Stratigraphic evidence of historical and prehistoric tsunamis on the Pacific coast of central Japan: Implications for the variable recurrence of tsunamis in the Nankai Trough
Shigehiro Fujino,Haruo Kimura,Junko Komatsubara,Dan Matsumoto,Yuichi Namegaya,Yuki Sawai,Masanobu Shishikura +6 more
TL;DR: In this article, the authors conducted a coring survey at a coastal lowland in Mie Prefecture, central Japan and found 10 sand layers from about 4500 to 500 years ago.
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Historical Nankai-Suruga megathrust earthquakes recorded by tsunami and terrestrial mass movement deposits on the Shirasuka coastal lowlands, Shizuoka Prefecture, Japan
Ed Garrett,Ed Garrett,Osamu Fujiwara,Svenja Riedesel,Jan Walstra,Koen Deforce,Yusuke Yokoyama,Sabine Schmidt,Helmut Brückner,Marc De Batist,Vanessa M. A. Heyvaert,Vanessa M. A. Heyvaert +11 more
TL;DR: In this article, the authors present a multi-proxy investigation of a coastal lowland site facing the Nankai-Suruga megathrust and appraise evidence for tsunamis and earthquake-triggered terrestrial mass movements occurring over the last 800 years.
References
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Paleoliquefaction Features at Archaeological Sites in Japan
TL;DR: Liquefaction features from paleoearthquakes are common at archaeological sites of Japan as mentioned in this paper and the most remarkable features are dykes of sand and gravel in which the clasts become finer approaching the surface.
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