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

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

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作者：Michael K. Gagan^a ; ^{Michael.Gagan@anu.edu.au" class="auth_mail" title="E-mail the corresponding author} ; Sindia M. Sosdian^a ; ¹ ; Heather Scott-Gagan^a ; Kerry Sieh^b ; Wahyoe S. Hantoro^c ; Danny H. Natawidjaja^c ; Richard W. Briggs^d ; Bambang W. Suwargadi^c ; Hamdi Rifai^e
关键词：Porites coral ; carbon isotopes ; Sumatra ; megathrust earthquake ; seafloor displacement ; paleogeodesy
刊名：Earth and Planetary Science Letters
出版年：2015
出版时间：15 December 2015
年：2015
卷：432
期：Complete
页码：461-471
全文大小：2262 K

文摘

class="label">•: We quantify the abrupt response of coral class="mathmlsrc">title="View the MathML source" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0012821X15006287&_mathId=si8.gif&_user=111111111&_pii=S0012821X15006287&_rdoc=1&_issn=0012821X&md5=b70e0a030d246b0f45d2bbfbb8223784">class="imgLazyJSB inlineImage" height="16" width="48" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0012821X15006287-si8.gif">class="mathContainer hidden">class="mathCode"> ${}^{13}C / {}^{12}C$ to coseismic seafloor displacement.
class="label">•: The detection limit for the method equates to ∼0.2 m of vertical seafloor motion.
class="label">•: Step-changes in coral class="mathmlsrc">title="View the MathML source" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0012821X15006287&_mathId=si8.gif&_user=111111111&_pii=S0012821X15006287&_rdoc=1&_issn=0012821X&md5=b70e0a030d246b0f45d2bbfbb8223784">class="imgLazyJSB inlineImage" height="16" width="48" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0012821X15006287-si8.gif">class="mathContainer hidden">class="mathCode"> ${}^{13}C / {}^{12}C$ will record past megathrust earthquakes of class="mathmlsrc">class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0012821X15006287&_mathId=si39.gif&_user=111111111&_pii=S0012821X15006287&_rdoc=1&_issn=0012821X&md5=c23cafd0c014f7f87c5a4a5d86044144" title="Click to view the MathML source">M_w≥7.2class="mathContainer hidden">class="mathCode"> $M_{w} \geq 7.2$ .
class="label">•: Coral paleogeodesy can define crustal strain in many convergent tectonic settings.

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