AGL Elastic Marmousi

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The AGL Elastic Marmousi model was created at the University of Houston, and was released by its authors Gary S. Martin, Robert Wiley and Kurt Marfurt with the permission of the program director of the Allied Geophysical Labs consortium in 2019.


The AGL elastic Marmousi model, also commonly referred to as the Marmousi2 model, is an elastic extension of the original Marmousi model created by Gary S. Martin, Robert Wiley and Kurt J. Marfurt (2004, 2006). The model has a lateral extension of 17 km and a depth of 3.5 km and includes a total of 199 layers geological layers, as well as an extended water layer of 450 m depth to simulate a deep water setting. The layers were derived from the same horizon picks that were used for the original Marmousi model and were supplied by Aline Bourgeois from the Institut Francais du Petrole (IFP). The simulated data were computed on a supercomputer system at the University of Houston (UH), supported by Sun Microsystems. The data set includes subsurface models for density, P-wave and S-wave velocity, as well as a series of processed data sets (NMO stacks, pre- and poststack time and depth migrated sections).

Copyright notice

Copyright 2004 Allied Geophysical Laboratory, University of Houston, TX, USA


This model is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of the license, visit or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.

The license permits any user to freely copy and redistribute the material in any medium or format. Users are free to remix, transform, and build upon the material for any purpose, including commercially. Refer to LICENSE.txt for all terms and conditions, as well as the disclaimer of warranties.

Please DO NOT separate the model and data from this license and ALWAYS include the above statement and link with the data.


This model was created by Gary S. Martin (ION), Robert Wiley (University of Houston) and Kurt J. Marfurt (University of Oklahoma), with support from Aline Bourgeois (formerly IFP), Fred Hilterman (formerly University of Houston), Don Larson and Shawn Larson (Lawrence Livermore National Laboratory, formerly Los Alamos National Laboratory).

Funding for this work was in part provided by the United States Department of Energy's Next Generation Modeling and Imaging project.

This model was added to the SEG Open Data collection with help from Joseph Dellinger (BP), Robert Stewart (University of Houston) and Karl Schleicher (University of Texas at Austin).


  • Martin, Gary S.; Marfurt, Kurt J.; Larsen, Shawn (2002). Marmousi‐2: An updated model for the investigation of AVO in structurally complex areas. pp. 1979–1982. doi:10.1190/1.1817083.
  • Martin, Gary S.; Wiley, Robert; Marfurt, Kurt J. (2006). "Marmousi2: An elastic upgrade for Marmousi". The Leading Edge 25 (2): 156–166. doi:10.1190/1.2172306. ISSN 1070-485X.


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