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2024 Crustal Deformation Modeling Workshop
12 Nov 2024 | Contributor(s): Lorraine Hwang, Brad Aagaard, Matthew Knepley, Eric Lindsey, Kathryn Materna, Hilary Martens, Charles Williams
Workshop ReportJune 10-14, 2024Goldden, ColoradoSee calendar for more information.
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TauP
29 Feb 2024 | Software: Download | Contributor(s): H. Philip Crotwell (primary-developer), Thomas J. Owens
The TauP Toolkit is a seismic travel time calculator. In addition to travel times, it can calculate derivative information such as ray paths through the earth, pierce and turning points. It handles many types of velocity models and can calculate times for virtually any seismic phase with a...
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2020 Crustal Deformation Modeling Workshop Report
27 Jul 2022 | Workshops | Contributor(s): Brad Aagaard, Sylvain Barbot, Brittany Erickson, Matthew Knepley, Mark Simons, Charles Williams
Workshop report
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2021 CIG
18 Nov 2021 | Documents | Contributor(s): CIG Staff
Presentation and recording of the 2021 CIG Annual Business Meeting November 18, 2021 ~@1-2:30P PT.
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2021 CIG Annual Business Meeting
18 Nov 2021 | Documents | Contributor(s): CIG Staff
Presentation from the 2021 CIG Annual Business Meeting, November 18 @1-2:30P PT.
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2021 SMOREs Introduction
02 Nov 2021 | Webinars | Contributor(s): John Naliboff
2021 SMOREs ShowcaseJohn Naliboff, New Mexico Tech
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2021 Interactions between Lithospheric Instabilities and Formation of Mantle Plumes in Venus
02 Nov 2021 | Webinars | Contributor(s): Hiva Mohammadzadeh
2021 SMOREs ShowcaseHiva Mohammadzadeh, Los Angeles Pierce College
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2021 Early Earth Influence of Radiogenic Heating on Mid-Ocean Ridge Depths and Seafloor Subsidence
02 Nov 2021 | Webinars | Contributor(s): Keneni Godana
2021 SMOREs ShowcaseKeneni Godana, University of Illinois at Chicago
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2021 Bayesian Uncertainty Quantification of Subduction Zone Rheology from the Geoid
02 Nov 2021 | Webinars | Contributor(s): Elena Ehrlich
2021 SMOREs ShowcaseElena Ehrlich, North Carolina State University
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2021 As Above So Below: A Simulation of the Continental Lithosphere and LLSVPs as Thermal Insulators Using ASPECT
02 Nov 2021 | Webinars | Contributor(s): Dante Hickey
2021 SMOREs ShowcaseDante Hickey, Reed College
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SPECFEM3D Cartesian
30 Oct 2021 | Software: Download | Contributor(s): Dimitri Komatitsch (primary-developer), Jean-Pierre Vilotte (primary-developer), Jeroen Tromp (primary-developer), Daniel Peter (primary-developer), SPECFEM Development Team
SPECFEM3D Cartesian simulates acoustic (fluid), elastic (solid), coupled acoustic/elastic, poroelastic or seismic wave propagation in any type of conforming mesh of hexahedra (structured or not.) It can, for instance, model seismic waves propagating in sedimentary basins or any other regional...
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SPECFEM3D GLOBE
30 Oct 2021 | Software: Download | Contributor(s): Dimitri Komatitsch (primary-developer), Jean-Pierre Vilotte, Jeroen Tromp (primary-developer), Daniel Peter (primary-developer), SPECFEM Development Team
SPECFEM3D_GLOBE simulates global and regional (continental-scale) seismic wave propagation.Effects due to lateral variations in compressional-wave speed, shear-wave speed, density, a 3D crustal model, ellipticity, topography and bathymetry, the oceans, rotation, and self-gravitation are all...
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SPECFEM3D_GEOTECH
29 Oct 2021 | Software: Download | Contributor(s): Hom Nath Gharti, Dimitri Komatitsch, Leah Langer, Roland Martin, Voker Oye, Jeroen Tromp, Uno Vaaland, Zhenshen Yan
SPECFEM3D_GEOTECH is an open-source command-driven software for 3D slope stability analysis and simulation of 3D multistage excavation based on the spectral-element method.SPECFEM3D_GEOTECH is a free and open-source command-driven software for 3D slope stability analysis (for more details see...
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SPECFEM2D
29 Oct 2021 | Software: Download | Contributor(s): Dimitri Komatitsch (primary-developer), Jean-Pierre Vilotte (primary-developer), Daniel Peter (primary-developer), SPECFEM Software Development Team
SPECFEM2D simulates forward and adjoint seismic wave propagation in two-dimensional acoustic, (an)elastic, poroelastic or coupled acoustic-(an)elastic-poroelastic media, with Convolution PML absorbing conditions.Meshing is based for instance upon Gmsh, Cubit, GiD or a...
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SPECFEM1D
29 Oct 2021 | Software: Download | Contributor(s): SPECFEM Development Team
SPECFEM1D simulates seismic wave propagation in a one-dimensional heterogeneous medium. It is a small code that allows users to learn how a spectral-element program is written.See specfem.org.
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SW4
29 Oct 2021 | Software: Download | Contributor(s): N. Anders Petersson, Bjorn Sjögreen, Houjun Tang, Ramesh Pankajakshan
SW4 implements substantial capabilities for 3-D seismic modeling, with a free surface condition on the top boundary, absorbing super-grid conditions on the far-field boundaries, and an arbitrary number of point force and/or point moment tensor source terms. Each source time function can have one...
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AxiSEM
28 Oct 2021 | Software: Download | Contributor(s): Tarje Nissen-Meyer (primary-developer), Martin van Driel (primary-developer), Simon Stähler (primary-developer), Kasra Hosseini (primary-developer), Stefanie Hempel (primary-developer), Lion Krischer (primary-developer), Alexandre Fournier (primary-developer)
AxiSEM is a parallel spectral-element method for 3D (an-)elastic, anisotropic and acoustic wave propagation in spherical domains. It requires axisymmetric background models and runs within a 2D computational domain, thereby reaching all desired highest observable frequencies (up to 2Hz) in global...
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SEISMIC_CPML
28 Oct 2021 | Software: Download | Contributor(s): Dimitri Komatitsch, Roland Martin
SEISMIC_CPML is a set of eleven open-source Fortran90 programs to solve the two-dimensional or three-dimensional isotropic or anisotropic elastic, viscoelastic or poroelastic wave equation using a finite-difference method with Convolutional or Auxiliary Perfectly Matched Layer (C-PML or...
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FLEXWIN
28 Oct 2021 | Software: Download | Contributor(s): Alessia Maggi
The FLEXWIN software package automates the time-window selection problem for seismologists. It operates on pairs of observed and synthetic single component seismograms, defining windows that cover as much of a given seismogram as possible, while avoiding portions of the waveform that are...
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Mineos
28 Oct 2021 | Software: Download | Contributor(s): Guy Masters (primary-developer), John Woodhouse (primary-developer), Freeman Gilbert (primary-developer), Michael Ritzwoller (primary-developer), Misha Barmine, Sue Kientz
Mineos computes synthetic seismograms in a spherically symmetric non-rotating Earth by summing normal modes.Attenuation, gravity and transversal anisotropy effects may be optionally taken into account. The package computes mode eigenfrequencies and eigenfunctions, Green's functions and...
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PyLith
27 Oct 2021 | Software: Download | Contributor(s): Brad Aagaard (primary-developer), Charles A. Williams (primary-developer), Matthew Knepley (primary-developer)
PyLith is a finite-element code for dynamic and quasistatic simulations of crustal deformation, primarily earthquakes and volcanoes. Binary packages are available for macOS and Linux. Detailed installation instructions for the binary packages are in the PyLith manual.
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Relax
26 Oct 2021 | Software: Download | Contributor(s): Sylvain Barbot (primary-developer)
Relax implements a semi-analytic Fourier-domain solver and equivalent body forces to compute quasi-static relaxation of stress perturbation.It is not an acronym, it's a motto!The open-source program Relax evaluates the displacement and stress in a half space with gravity due to...
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Virtual Quake
26 Oct 2021 | Software: Download | Contributor(s): John M. Wilson, Kasey W. Schultz, Eric M. Heiein, Michael K. Sacks, John B. Rundle
Virtual Quake (formerly Virtual California) is a boundary element code that performs simulations of fault systems based on stress interactions between fault elements to understand long term statistical behavior.
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SELEN
25 Oct 2021 | Software: Download | Contributor(s): Giorgio Spada (primary-developer), Daniele Melini (primary-developer)
SELEN: a program for solving the "Sea Level Equation.The open source program SELEN solves numerically the so-called "Sea Level Equation" (SLE) for a spherical, layered, non-rotating Earth with Maxwell viscoelastic rheology. The SLE is an integral equation that was introduced in...
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LithoMop
22 Oct 2021 | Software: Download | Contributor(s): Charles A. Williams (primary-developer)
LithoMop is a finite element code for the solution of the visco-elastic/plastic deformation that was designed for lithospheric modeling problems.A newer version of LithoMop, called PyLith, has been released by CIG.
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Responsibilities of Working Groups
12 Oct 2021 | Documents | Contributor(s): Executive Committee, Science Steering Committee
Roles and responsibilities of Working Groups.Approved 24 August 2021.
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Responsibilities of the SSC
12 Oct 2021 | Documents | Contributor(s): Executive Committee, Science Steering Commitee
Roles and responsibilities of the Science Steering Committee.Approved 24 August 2021.
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Responsibilities of the EC
12 Oct 2021 | Documents | Contributor(s): Executive Committee, Science Steering Committee
Describes the roles and responsibilities of the Executive Committee.Approved 24 August 2021
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BurnMan
14 Sep 2021 | Software: Download | Contributor(s): Sanne Cottaar, Timo Heister, Robert Myhill, Ian Rose, Cayman Unterborn
BurnMan is an open source mineral physics toolbox written in Python to determine seismic velocities for the lower mantle. BurnMan calculates the isotropic thermoelastic moduli by solving the equations-of-state for a mixture of minerals defined by the user. The user may select from a list of...
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2021 CIG Community Research Highlights
02 Aug 2021 | Documents | Contributor(s): Lorraine Hwang
Research highlights solicited from the community for CIG IV,
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3-D Spherical Mantle Convection with Radial Basis Functions
02 Apr 2021 | Workshops | Contributor(s): Grady B. Wright, Natasha Flyer, David Yuen
3-D Spherical Mantle Convection with Radial Basis Functions. March 30-31, 2009. Grady B. Wright, Natasha Flyer, David Yuen.
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Stress Evolution and Fault Interactions before and after the 2008 Great Wenchuan Earthquake
02 Apr 2021 | Workshops | Contributor(s): Gang Luo, Mian Liu
Stress Evolution and Fault Interactions before and after the 2008 Great Wenchuan Earthquake. March 30-31, 2009. Gang Luo, Mian Liu.
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Steering Geodynamics Models with Plate Tectonics Reconstruction Software: GPlates
02 Apr 2021 | Workshops | Contributor(s): Mark Turner, Mike Gurnis, Lydia DiCaprio, James Boyden, James Clark, John Cannon, Dietmar Muller, Robin Watson, Trond Torsvik
Steering Geodynamics Models with Plate Tectonics Reconstruction Software: GPlates. March 30-31, 2009. Mike Turner, Mike Gurnis, Lydia Di Caprio, James Boyden, James Clark, Joh Cannon, Dietmar Muller, Robin Watson, Trond Torsvik.
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Linking CitcomS and SPECFEM3D
02 Apr 2021 | Workshops | Contributor(s): Eh Tan, Leif Strand
Linking CitcomS and SPECFEM3D. March 30-31, 2009. Eh Tan, Leif Strand.
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Investigating Surface-wave Propagation Using Spectral Element Method
02 Apr 2021 | Workshops | Contributor(s): Kui Liu, Youyi Ruan, Ying Zhou
Investigating Surface-wave Propagation Using Spectral Element Method. March 30-31, 2009. Kui Liu, Youyi Ruan, Ying Zhou.
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Influence of Dynamic Topography on Sea Level and its Rate of Change
02 Apr 2021 | Workshops | Contributor(s): Clinton P. Conrad, Laurent Husson
Influence of Dynamic Topography on Sea Level and its Rate of Change. March 30-31, 2009. Clinton P. Conrad, Laurent Husson.
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Farallon Subduction Reconstructed by Inverse Dynamic Models: Stratigraphy Verifications and Geophysical implications
02 Apr 2021 | Workshops | Contributor(s): Lijun Liu, Sonja Spasojevic, Michael Gurnis
Farallon Subduction Reconstructed by Inverse Dynamic Models: Stratigraphy Verifications and Geophysical implications. March 30-31, 2009. Lijun Liu, Sonja Spasojevic, Michael Gurnis.
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Constraints on Global Mantle Flow and Lithosphere Net Rotation from Seismic Anisotorpy
02 Apr 2021 | Workshops | Contributor(s): Clinton P. Conrad, Mark D. Behn
Constraints on Global Mantle Flow and Lithosphere Net Rotation from Seismic Anisotorpy. March 30-31, 2009. Clinton P. Conrad, Mark D. Behn.
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A Solid Earth Research and Teaching Environment
02 Apr 2021 | Workshops | Contributor(s): Hannah Waterhouse, Kevin Milner, Thorsten Becker, Jared Sain, Danijel Schorlemmer
A Solid Earth Research and Teaching Environment. March 30-31, 2009. Hannah Waterhhouse, Kevin Milner, Thorsten Becker, Jared Sain, Danijel Schorlemmer.
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Software, complexity & reuse... Robust -to- experimental codes for geodynamics
02 Apr 2021 | Workshops | Contributor(s): Steve Quenette
Software, complexity & reuse... Robust -to- experimental codes for geodynamics. March 30-31, 2009. Steve Quenette.
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Adaptive Mesh Refinement (AMR)
02 Apr 2021 | Workshops | Contributor(s): Carsten Burstedde, Omar Ghattas, Georg Stadler, Lucas C. Wilcox, George Biros, Michael Gurnis, Shijie Zhong, Wolfgang Bangerth
Adaptive Mesh Refinement (AMR). March 30-31, 2009. Carsten Burstedde.
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Cooperative Institute for Deep Earth Research
02 Apr 2021 | Workshops | Contributor(s): Barbara Romanowicz
Cooperative Institute for Deep Earth Research. March 30-31, 2009. Barbara Romanowicz.
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CIG Long Term Tectonics Working Group Current and Future Computational Geoscience Directions: Successes & Failures
02 Apr 2021 | Workshops | Contributor(s): Long-Term Tectonics Working Group
CIG Long Term Tectonics Working Group Current and Future Computational Geoscience Directions: Successes & Failures. March 30-31, 2009. Long-Term Tectonics Working Group.
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Magma Dynamics
02 Apr 2021 | Workshops | Contributor(s): Anonymous
Magma Dynamics. March 30-31, 2009.
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Current and Future Computational Geoscience Directions: Successes & Failures
02 Apr 2021 | Workshops | Contributor(s): Allan Levander, Michael Ritzwoller, Jeroen Tromp, Michael Wyssession
Current and Future Computational Geoscience Directions: Successes & Failures. March 30-31, 2009. Allen Levander.
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CIG: Short-Term Tectonics State of the union
02 Apr 2021 | Workshops | Contributor(s): Mark Simons
CIG: Short-Term Tectonics State of the union. March 30-31, 2009. Mark Simons.
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Short-Term Tectonics Science
02 Apr 2021 | Workshops | Contributor(s): Brad Aagaard
Short-Term Tectonics Science. March 30-31, 2009. Brad Aagaard.
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Plate Boundary Dynamics
02 Apr 2021 | Workshops | Contributor(s): Anonymous
Plate Boundary Dynamics. March 30-31, 2009.
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Long-term tectonics: from nanometer to global scale
02 Apr 2021 | Workshops | Contributor(s): Magali Billen
Long-term tectonics: from nanometer to global scale. March 30-31, 2009. Magali Billen.
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Education and Training
02 Apr 2021 | Workshops | Contributor(s): Brad Aagaard
Education and Training. March 30-31, 2009. Brad Aagaard.