New insights of tsunami hazard from the 2011 Tohoku-oki event

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dc.contributor.authorGoto, Ken_AU
dc.contributor.authorChagué-Goff, Cen_AU
dc.contributor.authorFujino, Sen_AU
dc.contributor.authorGoff, JRen_AU
dc.contributor.authorJaffe, BEen_AU
dc.contributor.authorNishimura, Yen_AU
dc.contributor.authorRichmond, Ben_AU
dc.contributor.authorSugawara, Den_AU
dc.contributor.authorSzczuciński, Wen_AU
dc.contributor.authorTappin, DRen_AU
dc.contributor.authorWitter, Ren_AU
dc.contributor.authorYulianto, Een_AU
dc.date.accessioned2012-05-01T02:45:58Zen_AU
dc.date.available2012-05-01T02:45:58Zen_AU
dc.date.issued2011-12-01en_AU
dc.date.statistics2012-05-01en_AU
dc.description.abstractWe report initial results from our recent field survey documenting the inundation and resultant deposits of the 2011 Tohoku-oki tsunami from Sendai Plain, Japan. The tsunami inundated up to 4.5 km inland but the >0.5 cm-thick sand deposit extended only 2.8 km (62% of the inundation distance). The deposit however continued as a mud layer to the inundation limit. The mud deposit contained high concentrations of water-leachable chloride and we conclude that geochemical markers and microfossil data may prove to be useful in identifying the maximum inundation limit of paleotsunamis that could extend well beyond any preserved sand layer. Our newly acquired data on the 2011 event suggest that previous estimates of paleotsunamis (e.g. 869 AD Jogan earthquake and tsunami) in this area have probably been underestimated. If the 2011 and 869 AD events are indeed comparable, the risk from these natural hazards in Japan is much greater than previously recognized. (c) 2011 Elsevieren_AU
dc.identifier.citationGoto, K., Chagué-Goff, C., Fujino, S., Goff, J., Jaffe, B., Nishimura, Y., Richmond, B., Sugawara, D., Szczuciński, W., Tappin, D. R., Witter, R. C., & Yulianto, E. (2011). New insights of tsunami hazard from the 2011 Tohoku-oki event. Marine Geology, 290(1-4), 46-50. doi:10.1016/j.margeo.2011.10.004en_AU
dc.identifier.govdoc4021en_AU
dc.identifier.issn0025-3227en_AU
dc.identifier.issue1-4en_AU
dc.identifier.journaltitleMarine Geologyen_AU
dc.identifier.pagination46-50en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.margeo.2011.10.004en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/4203en_AU
dc.identifier.volume290en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectTsunamisen_AU
dc.subjectJapanen_AU
dc.subjectGeomorphologyen_AU
dc.subjectErosionen_AU
dc.subjectDepositsen_AU
dc.subjectDocumentationen_AU
dc.titleNew insights of tsunami hazard from the 2011 Tohoku-oki eventen_AU
dc.typeJournal Articleen_AU
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