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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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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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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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2018 PyLith Hackathon Report
06 Apr 2021 | Workshops | Contributor(s): Brad Aagaard
2018 PyLith Hackathon Report. August 3, 2018. Brad Aagaard.
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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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Education and Training
02 Apr 2021 | Workshops | Contributor(s): Brad Aagaard
Education and Training. March 30-31, 2009. Brad Aagaard.
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CUBIT: Examples of 3-D meshing
02 Apr 2021 | Workshops | Contributor(s): Brad Aagaard
CUBIT: Examples of 3-D meshing. June 18-22, 2012. Brad Aagaard.
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Crustal Deformation Modeling Tutorial: PyLith: Introduction to Dynamic Spontaneous Rupture
02 Apr 2021 | Workshops | Contributor(s): Brad Aagaard, Matthew Knepley, Charles Williams
Crustal Deformation Modeling Tutorial: PyLith: Introduction to Dynamic Spontaneous Rupture. June 18-22, 2012. Brad Aagaard, Matthew Knepley, Charles Williams.
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Crustal Deformation Modeling Tutorial: PyLith: Introduction to Fault Friction
02 Apr 2021 | Workshops | Contributor(s): Brad Aagaard, Matthew Knepley, Charles Williams
Crustal Deformation Modeling Tutorial: PyLith: Introduction to Fault Friction. June 18-22, 2012. Brad Aagaard, Matthew Knepley, Charles Williams.
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Crustal Deformation Modeling Tutorial: PyLith/CUBIT: 2-D subduction zone with coseismic and interseismic deformation
02 Apr 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matthew Knepley
Crustal Deformation Modeling Tutorial: PyLith/CUBIT: 2-D subduction zone with coseismic and interseismic deformation. June 18-22, 2012. Brad Aagaard, Charles Williams, Matthew Knepley.
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Crustal Deformation Modeling Tutorial: Overview of CUBIT
02 Apr 2021 | Workshops | Contributor(s): Brad Aagaard, Rowena Lohman, Charles Williams, Matthew Knepley
Crustal Deformation Modeling Tutorial: Overview of CUBIT. June 18-22, 2012. Brad Aagaard, Rowena Lohman, Charles Williams, Matthew Knepley.
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Crustal Deformation Modeling
02 Apr 2021 | Workshops | Contributor(s): Brad Aagaard
Crustal Deformation Modeling. June 22-26, 2009. Brad Aagaard.
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PyLith
02 Apr 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matthew Knepley, Sue Kientz, Leif Strand
PyLith. June 22-26, 2009. Brad Aagaard.
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PyLith 1.3: A Finite-Element Code for Modeling Quasi-Static and Dynamic Crustal Deformation
31 Mar 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matthew Knepley, Leif Strand, Sue Kientz
PyLith 1.3: A Finite-Element Code for Modeling Quasi-Static and Dynamic Crustal Deformation. September 15-17, 2008. Brad Aagaard.
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PyLith Postseismic Deformation Example: 2-D Subduction Zone
30 Mar 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matt Knepley
PyLith Postseismic Deformation Example: 2-D Subduction Zone. May 16, 2011. Brad Aagaard.
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PyLith Troubleshooting Tips/Tricks
30 Mar 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matt Knepley
PyLith Troubleshooting Tips/Tricks. May 16, 2011. Brad Aagaard.
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2007 CIG/SPICE/IRIS Workshop Program and Abstracts
30 Mar 2021 | Workshops | Contributor(s): Organizing Committee
2007 CIG/SPICE/IRIS Workshop Program and Abstracts. October 9-11, 2007.
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Community Benchmarks for Code Verification
30 Mar 2021 | Workshops | Contributor(s): Brad Aagaard
Community Benchmarks for Code Verification. June 14-18, 2010. Brad Aagaard.
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Extending PyLith
30 Mar 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matthew Knepley, Surendra Somala
Extending PyLith. June 14-18, 2010. Brad Aagaard.
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PyLith 1.5: Friction, Small Strains, and Elastoplasticity
30 Mar 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matthew Knepley, Surendra Somala
PyLith 1.5: Friction, Small Strains, and Elastoplasticity. June 14-18, 2010. Brad Aagaard.
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PyLith 1.5 Tutorial
30 Mar 2021 | Workshops | Contributor(s): Brad Aagaard
PyLith 1.5 Tutorial. June 14-18, 2010. Brad Aagaard.
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PyLith
30 Mar 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matthew Knepley, Surendra Somala, Sue Kientz, Leif Strand
PyLith. June 14-18, 2010. Brad Aagaard.
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Finite-Element Modeling for Crustal Deformation
30 Mar 2021 | Workshops | Contributor(s): Brad Aagaard
Finite-Element Modeling for Crustal Deformation. June 14-18, 2010. Brad Aagaard.
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Mantle-scale geodynamics
30 Mar 2021 | Workshops | Contributor(s): Louis Moresi
Mantle-scale geodynamics. Sept 15-17, 2008. Louis Moresi.
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3D Spherical Mantle Convection Calculations using the Yin-Yang grid
30 Mar 2021 | Workshops | Contributor(s): Paul Tackley
3D Spherical Mantle Convection Calculations using the Yin-Yang grid. July 9-11, 2008. Paul Tackley.
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Spectral Methods for Mantle Convection with 3D Viscosity Variations
30 Mar 2021 | Workshops | Contributor(s): Robert Moucha
Spectral Methods for Mantle Convection with 3D Viscosity Variations. July 9-11, 2008. Robert Moucha.
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Some aspects of phase transitions and mantle convection
30 Mar 2021 | Workshops | Contributor(s): Luce Fleitout
Some aspects of phase transitions and mantle convection. July 9-11, 2008. Luce Fleitout.
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The Role of Mantle Tractions and the Crust
30 Mar 2021 | Workshops | Contributor(s): Lucy Flesch
The Role of Mantle Tractions and the Crust. July 9-11, 2008. Lucy Flesch.
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A Recent Free Subduction Benchmark
30 Mar 2021 | Workshops | Contributor(s): Boris Kaus
A Recent Free Subduction Benchmark (or, how a simple test can cause a major headache) July 9-11, 2008. Boris Kaus.
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The Portable Extensible Toolkit for Scientific Computing
30 Mar 2021 | Workshops | Contributor(s): Matthew Knepley
The Portable Extensible Toolkit for Scientific Computing. July 9-11, 2008. Matthew Knepley.
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Next Generation Parallel Machines
30 Mar 2021 | Workshops | Contributor(s): Bill Broadley
Next Generation Parallel Machines. July 9-11, 2008. Bill Broadley.
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Best Practices: Guidelines, Resources, and Education
30 Mar 2021 | Workshops | Contributor(s): Brad Aagaard
Best Practices: Guidelines, Resources, and Education. October 13-15, 2020. Brad Aagaard.
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CIG PyLith Tutorial Workshop
29 Mar 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matt Knepley
CIG PyLith Tutorial Workshop. May 16, 2011. Brad Aagaard, Charles Williams, Matt Knepley.
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SGS Bay Area Seismic Velocity Model, Construction and Earthquake Simulations
28 Mar 2021 | Workshops | Contributor(s): Brad Aagaard, Thomas Brocher, Robert Jachens, Robert Simpson
SGS Bay Area Seismic Velocity Model, Construction and Earthquake Simulations. July 14-17, 2013. Brad Aagaard.
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Multigrid Methods
23 Mar 2021 | Workshops | Contributor(s): Shijie Zhong
Multigrid Methods. July 9-11, 2008. Shijie Zhong.