Three Dimensional Elastic Wavespeeds in the Northern ChileSubduction Zone: Variations in Hydration in the Supra-SlabMantle

Diana Comte, University of Chile, Department of Geophysics - AMTC - FCFM, Santiago, Chile, Daniel Carrizo, University of Chile, Advanced Mining Technology Center, Department of Geology, Santiago, Chile, Steven W Roecker, Rensselaer Polytechnic Inst, Earth & Environmental Sciences, Troy, United States, Francisco Ortega-Culaciati, University of Chile, FCFM - Department of Geophysics, Advanced Mining Technology Center, Santiago, Chile and Sophie Peyrat, Geosciences Montpellier, UMR5242, Universite Montpellier 2, Montpellier, France