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<publisher>HAL CCSD</publisher>
<title lang=en>First direct observation of coseismic slip and seafloor rupture along a submarine normal fault and implications for fault slip history</title>
<creator>Escartín, Javier, </creator>
<creator>Leclerc, Frédérique, </creator>
<creator>Olive, Jean-Arthur, </creator>
<creator>Mevel, Catherine</creator>
<creator>Cannat, Mathilde</creator>
<creator>Petersen, Sven, </creator>
<creator>Augustin, Nico, </creator>
<creator>Feuillet, Nathalie</creator>
<creator>Deplus, Christine</creator>
<creator>Bezos, Antoine, </creator>
<creator>Bonnemains, Diane</creator>
<creator>Chavagnac, Valérie, </creator>
<creator>Choi, Yujin</creator>
<creator>Godard, Marguerite</creator>
<creator>Haaga, Kristian, </creator>
<creator>Hamelin, Cédric</creator>
<creator>Ildefonse, Benoit</creator>
<creator>Jamieson, John, </creator>
<creator>John, Barbara, </creator>
<creator>Leleu, Thomas, </creator>
<creator>Macleod, Christopher, </creator>
<creator>Campos, Miquel</creator>
<creator>Nomikou, Paraskevi, </creator>
<creator>Paquet, Marine</creator>
<creator>Rommevaux-Jestin, Céline, </creator>
<creator>Rothenbeck, Marcel, </creator>
<creator>Steinführer, Anja, </creator>
<creator>Tominaga, Masako, </creator>
<creator>Triebe, Lars, </creator>
<creator>Campos, Ricard</creator>
<creator>Gracias, Nuno</creator>
<creator>Garcia, Rafael</creator>
<creator>Andreani, Muriel, </creator>
<creator>Vilaseca, Géraud</creator>
<contributor>Institut de Physique du Globe de Paris (IPGP) ; Institut national des sciences de l'Univers (INSU - CNRS) - IPG PARIS - Université Paris Diderot - Paris 7 (UPD7) - Université de la Réunion (UR) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Earth Observatory of Singapore ; Nanyang Technological University [Singapour]</contributor>
<contributor>Lamont-Doherty Earth Observatory (LDEO) ; Columbia University [New York]</contributor>
<contributor>Geomar Helmholtz Centre for Ocean Research, Kiel, Germany ; Helmholtz - Centre for Ocean Research (GEOMAR)</contributor>
<contributor>Laboratoire de Planétologie et Géodynamique de Nantes (LPGN) ; Université de Nantes (UN) - Institut national des sciences de l'Univers (INSU - CNRS) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Géosciences Environnement Toulouse (GET) ; Institut de Recherche pour le Développement (IRD) - Université Paul Sabatier - Toulouse 3 (UPS) - Observatoire Midi-Pyrénées (OMP) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Géosciences Montpellier ; Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Department of Earth Science [Bergen] ; University of Bergen (UIB)</contributor>
<contributor>University of Wyoming (UW)</contributor>
<contributor>Cardiff University [Cardiff]</contributor>
<contributor>Universitat des Illes Balears</contributor>
<contributor>National and Kapodistrian University of Athens</contributor>
<contributor>Texas A&M University [College Station]</contributor>
<contributor>University of Girona - Spain</contributor>
<contributor>Laboratoire de Géologie de Lyon - Terre, Planètes, Environnement [Lyon] (LGL-TPE) ; École normale supérieure - Lyon (ENS Lyon) - Université Claude Bernard Lyon 1 (UCBL) - Institut national des sciences de l'Univers (INSU - CNRS) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>article financé par l'institut</contributor>
<description>International audience</description>
<source>ISSN: 0012-821X</source>
<source>Earth and Planetary Science Letters</source>
<publisher>Elsevier</publisher>
<identifier>insu-01557932</identifier>
<identifier>https://hal-insu.archives-ouvertes.fr/insu-01557932</identifier>
<identifier>https://hal-insu.archives-ouvertes.fr/insu-01557932/document</identifier>
<identifier>https://hal-insu.archives-ouvertes.fr/insu-01557932/file/EPSL-2006-escartin.pdf</identifier>
<source>https://hal-insu.archives-ouvertes.fr/insu-01557932</source>
<source>Earth and Planetary Science Letters, Elsevier, 2016, 450, pp.96-107. 〈10.1016/j.epsl.2016.06.024〉</source>
<identifier>DOI : 10.1016/j.epsl.2016.06.024</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1016/j.epsl.2016.06.024</relation>
<language>en</language>
<subject>[SDU.STU.TE] Sciences of the Universe [physics]/Earth Sciences/Tectonics</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en> Properly assessing the extent and magnitude of fault ruptures associated with large earthquakes is critical for understanding fault behavior and associated hazard. Submarine faults can trigger tsunamis, whose characteristics are defined by the geometry of seafloor displacement, studied primarily through indirect observations (e.g., seismic event parameters, seismic profiles, shipboard bathymetry, coring) rather than direct ones. Using deep-sea vehicles, we identify for the first time a marker of coseismic slip on a submarine fault plane along the Roseau Fault (Lesser Antilles), and measure its vertical displacement of ∼0.9 m in situ. We also map recent fissuring and faulting of sediments on the hangingwall, along ∼3 km of rupture in close proximity to the fault's base, and document the reactivation of erosion and sedimentation within and downslope of the scarp. These deformation structures were caused by the 2004 M w 6.3 Les Saintes earthquake, which triggered a subsequent tsunami. Their characterization informs estimates of earthquake recurrence on this fault and provides new constraints on the geometry of fault rupture, which is both shorter and displays locally larger coseismic displacements than available model predictions that lack field constraints. This methodology of detailed field observations coupled with near-bottom geophysical surveying can be readily applied to numerous submarine fault systems, and should prove useful in evaluating seismic and tsunamigenic hazard in all geodynamic contexts.</description>
<date>2016</date>
</dc>
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