S31D:
The Central Andean Subduction Zone: Past, Present, and Future I Posters

Wednesday, 17 December 2014: 8:00 AM-12:20 PM
Chairs:  Diana Comte, University of Chile, Santiago, Chile, Daniel Carrizo, University of Chile, AMTC, Santiago, Chile and Francisco H Ortega Culaciati, University of Chile, Department of Geophysics, Santiago, Chile
Primary Conveners:  Francisco H Ortega Culaciati, University of Chile, Department of Geophysics, Santiago, Chile
Co-conveners:  Onno Oncken, GeoForschungsZentrum Potsdam, Potsdam, Germany, Edmundo O Norabuena, Instituto Geofísico del Perú, Lima, Peru and Daniel Carrizo, University of Chile, Advanced Mining Technology Center, Santiago, Chile
OSPA Liaisons:  Daniel Carrizo, University of Chile, AMTC, Santiago, Chile

Abstracts Submitted to this Session:

4446
 
The April 1, 2014 Pisagua Earthquake as a Natural Laboratory for Studying the Effect of Geologic Heterogeneity on Earthquake Slip
Anne M Trehu1, C David Chadwell2, Eduardo Contreras Reyes3, Francisco Ortega3, Javier A Ruiz3, Emilio E. Vera3, Andrei Maksymowicz3, Alexander de Moor1, Jose Antonio Mieres3, Edmundo O Norabuena4, Mark Simons5, Dietrich Lange6 and Heidrun Kopp6, (1)Oregon State University, Corvallis, OR, United States, (2)Scripps Institution of Oceanography, La Jolla, CA, United States, (3)University of Chile, Santiago, Chile, (4)Instituto Geofísico del Perú, Lima, Peru, (5)California Institute of Technology, Pasadena, CA, United States, (6)GEOMAR, Kiel, Germany
4447
 
Seafloor Geodetic Monitoring of the Central Andean Subduction Zone: The Geosea Array
Heidrun Kopp1, Dietrich Lange1, Eduardo Contreras Reyes2, Jan H Behrmann1, Jeffrey Joseph McGuire3 and Ernst R Flueh1, (1)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (2)Universidad de Chile, Santiago, Chile, (3)WHOI, Woods Hole, MA, United States
4448
 
Correlations between gravity anomaly, preseismic locking and coseismic slip during the 2014 Mw8.2 Pisagua/Iquique earthquake and implications for the frictional structure of the Central Andean megathrust
Andres Tassara1, Marcos Moreno2 and Jonathan Raoul Bedford2, (1)University of Concepcion, Concepcion, Chile, (2)Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany
4449
 
Assessing the Utility of Strong Motion Data to Determine Static Ground Displacements During Great Megathrust Earthquakes: Tohoku and Iquique
Matthew W Herman1, Kevin P Furlong1, Gavin P Hayes2 and Harley Benz2, (1)Penn State Univ, University Park, PA, United States, (2)USGS National Earthquake Information Center Golden, Golden, CO, United States
4450
 
Fault rupture process and strong ground motion simulation of the 2014/04/01 Northern Chile (Pisagua) earthquake (Mw8.2)
Nelson E Pulido Hernandez1, Wataru Suzuki2 and Shin Aoi1, (1)Nat. Res. Ins. for Earth Sc., Tsukuba, Japan, (2)NIED, Ibaraki, Japan
4451
 
Assessment of heterogeneous slip distribution effect on tsunamigenic hydrodynamic processes generated by the 2014 Pisagua, Chile earthquake
Juan F. González-Carrasco1,2, Natalia Zamora-Sauma3, César Núñez4, Rafael Aránguiz2,5, Andrey Y. Babeyko3 and Gabriel Gonzalez1,2, (1)Universidad Católica del Norte, Department of Geological Sciences, Antofagasta, Chile, (2)National Research Center for Integrated Disaster Management (RCINDIM/CIGIDEN), Santiago, Chile, (3)Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, (4)Servicio Hidrográfico y Oceanográfico de la Armada (SHOA), Valparaíso, Chile, (5)Universidad Católica de la Santísima Concepción, Department of Civil Engineering, Concepción, Chile
4452
 
Repeating Earthquakes in Northern Chile
Felipe Leyton1, Sergio Ruiz2, Miguel Quilaqueo1 and Jaime A Campos3, (1)University of Chile, Santiago, Chile, (2)Universidad de Chile, Santiago, Chile, (3)Universidad de Chile, Santiago, Chile
4453
 
Full waveform modelling of aftershock seismicity in the Chilean subduction zone using the VERCE platform
Thomas Garth1, Stephen P Hicks2, Amaya Fuenzalida Velasco1, Emanuele Casarotti3, Alessandro Spinuso4 and Andreas Rietbrock1, (1)University of Liverpool, Liverpool, United Kingdom, (2)University of Liverpool, Liverpool, L69, United Kingdom, (3)National Institute of Geophysics and Volcanology, Rome, Italy, (4)Royal Netherlands Meteorological Institute, De Bilt, Netherlands
4454
 
Dual Megathrust Slip Behaviors of the 2014 Iquique Earthquake Sequence
Lingsen Meng1, Hui Huang2, Roland Burgmann3, Jean-Paul Ampuero4 and Anne E Strader1, (1)University of California Los Angeles, Los Angeles, CA, United States, (2)Nanjing University, Nanjing, China, (3)Univ California Berkeley, Seismological Laboratory, Berkeley, CA, United States, (4)California Institute of Technology, Pasadena, CA, United States
4455
 
A Study of the 2014 Pisagua, Chile Earthquake Sequence
Jorge G. F. Crempien1,2 and Chen Ji1,2, (1)University of California Santa Barbara, Santa Barbara, CA, United States, (2)Earth Research Institute, Earth Science, Santa Barbara, CA, United States
4456
 
Nucleation of the 2014 Pisagua, N. Chile earthquake : seismic analysis of the foreshock sequence.
Amaya Fuenzalida1, Hernando Tavera2, Sergio Ruiz3, Isabelle M A Ryder4, Efrain Fernandez2, Thomas Garth1, Oscar D.L.Neto5, Marianne Metois6, Silvio De Angelis7 and Andreas Rietbrock1, (1)University of Liverpool, Liverpool, United Kingdom, (2)Instituto Geofísico del Perú, Lima, Peru, (3)University of Chile, Santiago, Chile, (4)University of Liverpool, Liverpool, L69, United Kingdom, (5)USP University of Sao Paulo, São Paulo, Brazil, (6)National Institute of Geophysics and Volcanology, Rome, Italy, (7)Organization Not Listed, Washington, DC, United States
4457
 
Analysis of seismicity and stress before and after the Mw 8.1 Pisagua, Chile, 2014 earthquake
Francesco Grigoli, University of Potsdam, Potsdam, Germany, Simone Cesca, Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, Torsten Dahm, GFZ Potsdam, Helmholtzstrasse 7, Germany and Sebastian Hainzl, Deutsches GeoForschungsZentrum GFZ, Potsdam, Germany
4458
 
Kinematic Study of Pisagua Earthquake 2014 - Northern Chile: Analysis of the Frequency Content and its Impact on the Understanding of the Seismogenic Zone
Jorge Jara, Jesus Pina-Valdes, Anne Socquet, Fabrice Cotton, Andrea Walpersdorf and Nathalie Cotte, ISTerre Institute of Earth Sciences, Saint Martin d'Hères, France
4459
 
State of Stress in the Interseismic in the Salar Grande Area and its Relationship with the Foreshock Sequence of Mw8.1 Pisagua Earthquake
Pablo Salazar1, Gabriel Gonzalez1, Carla Latorre1, Francisco Pasten1, Alvaro Sarmiento1, Joern Kummerow2, Peter Wigger2, Wasja Bloch2 and Serge Alexander Shapiro2, (1)Universidad Católica del Norte, National Research Center for Integrated Natural Disaster Management, Antofagasta, Chile, (2)Free University of Berlin, Berlin, Germany
4460
 
Imaging the Crust and Upper Mantle of Northern Chile Using Ambient Noise Tomography
Anastasia Rodzianko1, Diana Comte1, Steven W Roecker2 and Monika Sobiesiak3, (1)University of Chile, FCFM, Santiago, Chile, (2)Rensselaer Polytechnic Inst, Troy, NY, United States, (3)Institut de Physique du Globe de Paris, Laboratoire de Sismologie, Paris, France
4461
 
2014, Mw=8.2 Pisagua, Northern Chile Foreshocks: Not Limited to the Interplate Contact
Diana Comte1, Javier Ruiz2, Daniel Carrizo3, Steven W Roecker4 and Anastasia Rodzianko2, (1)University of Chile, FCFM-AMTC, Santiago, Chile, (2)University of Chile, FCFM, Santiago, Chile, (3)University of Chile, AMTC, Santiago, Chile, (4)Rensselaer Polytechnic Inst, Troy, NY, United States
4462
 
Active Forearc Faults in the Central Part of the Mature Northern Chile Seismic Gap: Insights from Seismological and Neotectonic Detailed Analysis
Maria Victoria Valenzuela, University of Chile, Santiago, Chile, Diana Comte, University of Chile, FCFM-AMTC, Santiago, Chile, Steven W Roecker, Rensselaer Polytechnic Inst, Troy, NY, United States, Daniel Carrizo, University of Chile, AMTC, Santiago, Chile and Anastasia Rodzianko, University of Chile, FCFM, Santiago, Chile
4463
 
Inference of small-scale Vp/Vs ratio along the rupture area of the Tocopilla earthquake, Northern Chile (Mw 7.7, 14/11/2007)
Mauro Palo, Frederik J Tilmann and Bernd Schurr, Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany
4464
 
Structural Aspects of the Iquique Area With Possible Influence on the Mw 8.2, 2014, Pisagua Earthquake
Monika Sobiesiak1, Theresa Schaller1, Gianina Meneses2, Hans-Juergen Goetze1, Claudio Satriano3, Natalia Poiata3, Sergio Ruiz4, Diana Comte4, Pascal Bernard5, Jean-Pierre Vilotte3, Marianne Métois2, Manuel Olcay6, Carlos Tassera6 and Jaime A Campos7, (1)University of Kiel, Kiel, Germany, (2)Ecole Normale Supérieure Paris, Paris, France, (3)Institut de Physique du Globe de Paris, Paris, France, (4)University of Chile, Santiago, Chile, (5)Institut de Physique du Globe, Paris, France, (6)Universidad Arturo Prat Iquique, departemento de Fisica, Iquique, Chile, (7)Universidad de Chile, Santiago, Chile
4465
 
Rupture process of the two main 2014 Pisagua earthquakes (Mw 8.1 and 7.6) from strong motion, geodetic and global seismic data
Martin Vallee1, Raphael Grandin1, Sergio Ruiz2, Bertrand Delouis3, Christophe Vigny4, Efrain Rivera5, El-Madani Aissaoui6, Sebastien Allgeyer7, Claudio Satriano1, Natalia Poiata1, Pascal Bernard6, Jean-Pierre Vilotte1 and Bernd Schurr8, (1)Institut de Physique du Globe de Paris, Paris, France, (2)Universidad de Chile, Departamento de Geofísica, Facultad de Ciencias Físicas y Matemáticas, Santiago, Chile, (3)Geoazur - CNRS, Valbonne, France, (4)ENS/CNRS, Paris, France, (5)Universidad de Chile, Departamento de Geofísica, Facultad de Ciencias Físicas y Matemáticas, Santiago, Chile, (6)Institut de Physique du Globe, Paris, France, (7)Australian National University, Canberra, Australia, (8)GeoForschungsZemtrum Potsdam, Potsdam, Germany
4466
 
The 2014 Pisagua-Iquique (Chile) earthquake sequence : geodetic constraints on space-time slip behaviour of a megathrust segment
Raphael Grandin1, Sergio Ruiz2, Marianne Metois3, Marta Bejar4, Christophe Vigny5, Frederick Boudin6, Sebastien Allgeyer7, Mahdi Motagh8, Amaya Fuenzalida9, Felipe Leyton10, Javier A Ruiz11, Efrain Rivera2, Martin Vallee1, Jorge Jara12, Nathalie Cotte12, Jean-Bernard de Chabalier1, Robin Lacassin1, Daniel Carrizo13, Anne Socquet12, Rolando Armijo1 and Jean-Claude Ruegg1, (1)Institut de Physique du Globe de Paris, Paris, France, (2)Universidad de Chile, Departamento de Geofísica, Facultad de Ciencias Físicas y Matemáticas, Santiago, Chile, (3)National Institute of Geophysics and Volcanology, Rome, Italy, (4)Instituto Geologico y Minero, Madrid, Spain, (5)ENS/CNRS, Paris, France, (6)Géosciences Montpellier, Montpellier Cedex 05, France, (7)Australian National University, Canberra, Australia, (8)Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, (9)University of Liverpool, Liverpool, United Kingdom, (10)Universidad de Chile, Centro Sismológico Nacional, Facultad de Ciencias Físicas y Matemáticas, Santiago, Chile, (11)Universidad de Chile, Centro Sismológico Nacional, Facultad de Ciencias Físicas y Matemáticas, Santiago, Chile, (12)ISTerre Institute of Earth Sciences, Saint Martin d'Hères, France, (13)University of Chile, Advanced Mining Technology Center, Santiago, Chile
4467
 
Deformation and stress changes before, during and after the 2014 Pisagua earthquake inferred from RADARSAT-2 data
Isabelle M A Ryder1, Sergey V Samsonov2, Amaya Fuenzalida1, Andreas Rietbrock1 and Silvio De Angelis1, (1)University of Liverpool, Liverpool, United Kingdom, (2)Canada Center for Remote Sensing, Ottawa, ON, Canada
4468
 
Resolution analysis of the tsunami generated by the 2014 Mw 8.1 Pisagua earthquake using a simple slip model
Javier A Ruiz1, Sebastian Riquelme2, Mauricio Antonio Fuentes1, Sebastian Arriola1, Yoshiki Yamazaki3, François Schindelé4 and Jaime A Campos1, (1)Departamento de Geofísica, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Santiago, Chile, (2)Universidad de Chile, Centro Sismológico Nacional, Santiago, Chile, (3)University of Hawaii at Manoa, Honolulu, HI, United States, (4)Commissariat à l'Énergie Atomique, CEA/DIF/DASE, Arpajon, France
4469
 
Tsunami Scenarios in Northern Chile after the 2014 Iquique Earthquake using non-uniform slip distributions.
Sebastian Riquelme1, Javier A Ruiz1, Mauricio Antonio Fuentes2, Yoshiki Yamazaki3 and Jaime A Campos4, (1)University of Chile, Santiago, Chile, (2)Departamento de Geofísica, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Santiago, Chile, (3)University of Hawaii at Manoa, Honolulu, HI, United States, (4)Universidad de Chile, Santiago, Chile
4470
 
Assessing giant tsunamigenic subduction earthquakes in the Northern Chile Seismic Gap during the last two millennia
Gabriel Vargas Easton1, Sergio Ruiz2, Felipe Leyton3, Rachel Abrahami1, Jacobus Le Roux1, Silvio Pantoja4, Carina Lange4, Eduardo Contreras Reyes2 and Jaime A Campos2, (1)University of Chile, Departamento de Geología, CEGA, Santiago, Chile, (2)University of Chile, Departamento de Geofísica, Santiago, Chile, (3)University of Chile, CSN, Santiago, Chile, (4)University of Concepcion, Departamento de Oceanografía, COPAS, Concepcion, Chile
4471
 
Late Quaternary accelerated coastal uplift and crustal faulting in Mejillones peninsula at the southern edge of the Northern Chile subduction seismic gap
José González-Alfaro1, Gabriel Vargas Easton1, Luc Ortlieb2, Gabriel Gonzalez3, Sylvain Bonvalot4, Germinal Gabalda4 and Gabriel Álvarez5, (1)University of Chile, Department of Geology, CEGA, Santiago, Chile, (2)LOCEAN, URM 7159 (IRD, CNRS, UPMC, MNHN), Institute Pierre Simon Laplace, Boundy, France, (3)Universidad Católica del Norte, Department of Geological Sciences, Antofagasta, Chile, (4)IRD/GET, Toulouse, France, (5)University of Antofagasta, Department of Geomatics Engineering, Antofagasta, Chile
4472
 
Imaging Lithospheric-scale Structure Beneath Northern Altiplano in Southern Peru and Northern Bolivia
Abhash Kumar1, Lara S Wagner2, Susan L Beck3, George Zandt3 and Maureen D Long4, (1)University of North Carolina, Chapel Hill, NC, United States, (2)Carnegie Institution for Science, Department of Terrestrial Magnetism, Washington, DC, United States, (3)University of Arizona, Tucson, AZ, United States, (4)Yale University, New Haven, CT, United States
4473
 
Central Andean volcano activity changes observed by integrated thermal, photogrammetry, geochemical and InSAR data
Thomas R Walter, Jacqueline T. Salzer, Elske De Zeeuw van Dalfsen, Ayleen Gaete Rojas, Nicole Richter, Martin Zimmer, Mehdi Nikkhoo, Christian Kujawa and Stefan Mikulla, GFZ Potsdam, Potsdam, Germany
4474
 
Detection of Deep Fluid Flow in Subduction Zones with Magnetotelluric Monitoring
Jaime Araya and Oliver Ritter, Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany
 
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