DuboisFeiglKomatitschEPSL20061004.doc-Departmentof.docVIP

Three-dimensional mechanical models for the June 2000 earthquake sequence in the South Icelandic Seismic Zone? Lo?c Dubois a, Kurt L. Feigl a, *, Dimitri Komatitsch b, Thóra árnadóttir c, and Freysteinn Sigmundsson c a Dynamique Terrestre et Planétaire CNRS UMR 5562, Université Paul Sabatier, Observatoire Midi-Pyrénées, 14 av. édouard Belin, 31400 Toulouse, France b Laboratoire de Modélisation et dImagerie en Géosciences CNRS UMR 5212, Université de Pau et des Pays de lAdour, BP 1155, 64013 Pau Cedex, France c Nordic Volcanological Center, Institute of Earth Sciences, University of Iceland, Reykjavik, Iceland Wednesday, October 04, 2006 Submitted to Earth and Planetary Science Letters Number of characters = 62651 Number of words = 11576 Number of words in text only = 6455 Max is 6500 (not abstract, captions or references) Supplementary Material? Yes Number of pages (including figures) = 26 Number of figures = 6 Number of tables = 2 Total number of display items = 8 Max is 10. Number of references = 79 Max is 80. File name = DuboisFeiglKomatitschEPS.doc Application name Microsoft Word 2004 for Mac EndNote Version 10.0 for Mac MathType Version 5 for Mac. *Corresponding author, now at Department of Geology and Geophysics University of Wisconsin-Madison 1215 West Dayton Street Madison, WI 53706 USA feigl@ Tel. +1 608 262-8960 Fax. +1 608 262-0693 Table of contents Table of contents 2 Abstract 3 1. Introduction 3 2. Data and Methods 6 2.1 Data 6 2.2 Numerical Solution using the Finite Element Method 7 2.3 Modeling poroelastic deformation with an elastic approximation 8 2.4 Viscoelastic modeling 9 2.5 Stress transfer 10 3. Results 10 3.1 Estimating the distribution of co-seismic fault slip 10 3.2 Modeling postseismic deformation with the elastic approximation for poroelastic effects 11 3.3 Viscoelastic model for post-seismic deformation 12 3.4 Stress transfer 13 4. Discussion and Conclusions 14 4.1 Co-seismic effects 14 4.2 Viscoelastic effects 15 4.3