Multi-proxy evidence for trans-Pacific tsunamis in the Hawai'ian Islands

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dc.contributor.authorChagué-Goff, Cen_AU
dc.contributor.authorGoff, JRen_AU
dc.contributor.authorNichol, SLen_AU
dc.contributor.authorDudley, Wen_AU
dc.contributor.authorZawadzki, Aen_AU
dc.contributor.authorBennett, JWen_AU
dc.contributor.authorMooney, SDen_AU
dc.contributor.authorFierro, Den_AU
dc.contributor.authorHeijnis, Hen_AU
dc.contributor.authorDominey-Howes, Den_AU
dc.contributor.authorCourtney, Cen_AU
dc.date.accessioned2012-05-15T06:17:43Zen_AU
dc.date.available2012-05-15T06:17:43Zen_AU
dc.date.issued2012-03-01en_AU
dc.date.statistics2012-05-15en_AU
dc.description.abstractThe origin of two sand layers buried in Pololū wetland, on the northeast coast of the island of Hawai'i, was investigated using a multi-proxy approach, including radiometric dating, sedimentology, geochemistry, micropalaeontology, palynology and historical records. Based on 210Pb, 137Cs and pollen data, the lower sand unit extending 250 to 350 m inland is attributed to the 1946 Aleutian tsunami, while the upper sand unit was laid down by the 1957 Aleutian tsunami. Chronological information does not appear to support any link between these deposits and historical storm events. Furthermore, sedimentological, geochemical, diatom and pollen results suggest deposition of marine and near-beach sediments under high energy conditions typically associated with tsunami inundation. This work presents the first conclusive sedimentary evidence for distantly-generated tsunamis on the Hawai'ian Islands, opening the way for more comprehensive historical and palaeotsunami studies. Indeed, a brief review of archaeological data suggests that the Hawai'ian coast may have experienced similar large magnitude events in the past, from both local and distant sources. © 2012 Elsevieren_AU
dc.identifier.citationChagué-Goff, C., Goff, J., Nichol, S. L., Dudley, W., Zawadzki, A., Bennett, J. W., Mooney, S. D., Fierro, D., Heijnis, H., Dominey-Howes, D., & Courtney, C. (2012). Multi-proxy evidence for trans-Pacific tsunamis in the Hawai'ian Islands. Marine Geology, 299-302, (77-89). doi:10.1016/j.margeo.2012.010en_AU
dc.identifier.govdoc4161en_AU
dc.identifier.issn0025-3227en_AU
dc.identifier.journaltitleMarine Geologyen_AU
dc.identifier.pagination77-89en_AU
dc.identifier.urihttps://doi.org/10.1016/j.margeo.2011.12.010en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/4242en_AU
dc.identifier.volume299-302en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectTsunamisen_AU
dc.subjectPalynologyen_AU
dc.subjectPaleontologyen_AU
dc.subjectPollenen_AU
dc.subjectDepositsen_AU
dc.subjectSedimentsen_AU
dc.titleMulti-proxy evidence for trans-Pacific tsunamis in the Hawai'ian Islandsen_AU
dc.typeJournal Articleen_AU
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