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Coral 13C/12C records of vertical seafloor displacement during megathrust earthquakes west of Sumatra

Gagan, Michael; Sosdian, Sindia; Scott-Gagan, Heather; Sieh, Kerry; Hantoro, W.S.; Natawidjaja, Danny H; Briggs, Richard W.; Suwargadi, Bambang W; Rifai, Hamdi


The recent surge of megathrust earthquakes and tsunami disasters has highlighted the need for a comprehensive understanding of earthquake cycles along convergent plate boundaries. Space geodesy has been used to document recent crustal deformation patterns with unprecedented precision, however the production of long paleogeodetic records of vertical seafloor motion is still a major challenge. Here we show that carbon isotope ratios (δC13) in the skeletons of massive Porites corals from west...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Earth and Planetary Science Letters
DOI: 10.1016/j.epsl.2015.10.002


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