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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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CIG-Magma Workshop Schedule
01 Apr 2021 | Workshops | Contributor(s): Staff
CIG-Magma Workshop Schedule. August 18-19, 2006.
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Rupture process of the 2008 Mw 8.0 Wenchuan Earthquake
01 Apr 2021 | Workshops | Contributor(s): Guangfu Shao, Chen Ji, Zhong Lu, Ken Hudnut, Jing Liu-Zeng
Rupture process of the 2008 Mw 8.0 Wenchuan Earthquake. June 23-27, 2008. Guangfu Shao.
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Simple Elastic Dislocation Models for Interseismic Deformation in Subduction Zones
01 Apr 2021 | Workshops | Contributor(s): Ravi V.S. Kanda, Mark Simons
Simple Elastic Dislocation Models for Interseismic Deformation in Subduction Zones. June 23-27, 2008. Ravi V. S. Kanda.
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Interseismic Deformation Associated with Three-Dimensional Faults in the Greater Los Angeles Region, California
01 Apr 2021 | Workshops | Contributor(s): Scott T. Marshall, Michele L. Cooke, Susan E. Owen
Interseismic Deformation Associated with Three-Dimensional Faults in the Greater Los Angeles Region, California. June 23-27, 2008. Scott T. Marshall.
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Do repeating earthquakes at Parkfield talk to each other?
01 Apr 2021 | Workshops | Contributor(s): Kate Huihsuan Chen, Roland Bürgmann, Robert M. Nadeau
Do repeating earthquakes at Parkfield talk to each other?. June 23-27, 2008. Kate Huihsuan Chen.
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Crustal deformation and block kinematics of Taiwan
01 Apr 2021 | Workshops | Contributor(s): Ruey-Juin Rau, Kuo-En Ching, Jian-Cheng Lee, Jyr-Ching Hu
Crustal deformation and block kinematics of Taiwan. June 23-27, 2008. Ruey-Juin Rau.
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A Bayesian Approach for Inter-plate Coupling Models in Subduction Zones
01 Apr 2021 | Workshops | Contributor(s): Fransisco Ortega, Mark Simons
A Bayesian Approach for Inter-plate Coupling Models in Subduction Zones. June 23-27, 2008. Fransisco Ortega.
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Heterogeneities and complexity in earthquake dynamics
27 Feb 2021 | Workshops | Contributor(s): Jean Paul Ampuero
Heterogeneities and complexity in earthquake dynamics. June 23-27, 2008. Jean Paul Ampuero.
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What gives in the lower crust? Evidence from post-loading deformation and exhumed fault zones
27 Feb 2021 | Workshops | Contributor(s): Roland Bürgmann
What gives in the lower crust? Evidence from post-loading deformation and exhumed fault zones. June 23-27, 2008. Roland Bürgmann.
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The Growing Wealth of Aseismic Deformation Data: What's a Modeler to Model?
27 Feb 2021 | Workshops | Contributor(s): Evelyn Roeloffs
The Growing Wealth of Aseismic Deformation Data: What's a Modeler to Model? June 23-27, 2008. Evelyn Roeloffs.
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Shaking up Faults: Insights from the Lab on Earthquake Triggering
27 Feb 2021 | Workshops | Contributor(s): Heather Savage
Shaking up Faults: Insights from the Lab on Earthquake Triggering. June 23-27, 2008. Heather Savage.
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Rheologic contrast between the crust and mantle: Insights from the lab and analyses of naturally deformed rocks
27 Feb 2021 | Workshops | Contributor(s): Greg Hirth
Rheologic contrast between the crust and mantle: Insights from the lab and analyses of naturally deformed rocks. June 23-27, 2008. Greg Hirth.
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Report on semi-analytic code compilation effort
27 Feb 2021 | Workshops | Contributor(s): Rowena Lohman
Report on semi-analytic code compilation effort. June 23-27, 2008. Rowena Lohman.
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Rapid Regional-Scale Earthquake Simulators
27 Feb 2021 | Workshops | Contributor(s): Keith Richards-Dinger
Rapid Regional-Scale Earthquake Simulators. June 23-27, 2008. Keith Richards-Dinger.
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PyLith
27 Feb 2021 | Workshops | Contributor(s): Brad Aagaard
PyLith. June 23-27, 2008. Brad Aagaard.
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Probabilistic seismic hazard in the San Francisco Bay area based on physical models
27 Feb 2021 | Workshops | Contributor(s): Fred Pollitz, David Schwartz
Probabilistic seismic hazard in the San Francisco Bay area based on physical models. June 23-27, 2008. Fred Pollitz, David Schwartz.
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Modeling the post‐rifting deformation on the Krafla volcanic system
27 Feb 2021 | Workshops | Contributor(s): Christopher DiCaprio, Mark Simons
Modeling the post‐rifting deformation on the Krafla volcanic system. June 23-27, 2008. Christopher DiCaprio, Mark Simons.
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Mesh Generation for Geological Applications
27 Feb 2021 | Workshops | Contributor(s): Carl Gable
Mesh Generation for Geological Applications. June 23-27, 2008. Carl Gable.
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GeoFEST Progress
27 Feb 2021 | Workshops | Contributor(s): Jay Parker, Gregory Lyzenga, Charles Norton, Margaret Glasscoe
GeoFEST Progress. June 23-27, 2008. Jay Parker, Gregory Lyzenga, Charles Norton, Margaret Glasscoe.
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Generating Green's Functions with Pylith
26 Feb 2021 | Workshops | Contributor(s): Rowena Lohman
Generating Green’s Functions with Pylith. June 23-27, 2008. Rowena Lohman.
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General Unstructured Mesh Adaptation: Its Strengths and Weaknesses
26 Feb 2021 | Workshops | Contributor(s): M.S. Shephard
General Unstructured Mesh Adaptation: Its Strengths and Weaknesses. June 23-27, 2008. M.S. Shephard.
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Gale
26 Feb 2021 | Workshops | Contributor(s): Walter Landry
Gale. June 23-27, 2008. Walter Landry.
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Development of Variational Data Assimilation for Active Tectonics Studies
26 Feb 2021 | Workshops | Contributor(s): Kush Tandon, Gary Egbert
Development of Variational Data Assimilation for Active Tectonics Studies. June 23-27, 2008. Kush Tandon, Gary Egbert.
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CUBIT: Geometry and Mesh Generation Toolkit
26 Feb 2021 | Workshops | Contributor(s): Emanuele Casarotti
CUBIT: Geometry and Mesh Generation Toolkit. June 23-27, 2008. Emanuele Casarotti.
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Crustal deformation in Iceland
26 Feb 2021 | Workshops | Contributor(s): Freysteinn Sigmundsson
Crustal deformation in Iceland. June 23-27, 2008. Freysteinn Sigmundsson.
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Community Benchmarks
26 Feb 2021 | Workshops | Contributor(s): Charles WIlliams
Community Benchmarks. June 23-27, 2008. Charles Williams.
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Workshop Final Report: Numerical Modeling of Crustal Deformation Associated with Earthquake Faulting
26 Feb 2021 | Workshops | Contributor(s): Andrew Freed, Brad Aagaard, Carl Gable, Mark Simons
Workshop Final Report: Numerical Modeling of Crustal Deformation Associated with Earthquake Faulting. June 23-27, 2008. Andrew Freed, Brad Aagaard, Carl Gable, Mark Simons.
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Marc Spiegelman Wishlist Presentation
24 Jan 2021 | Workshops | Contributor(s): Marc Spiegelman
Marc Spiegelman Wishlist Presentation. August 18-19, 2006. Marc Spiegelman.
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Laurent Montesi Wishlist Presentation
24 Jan 2021 | Workshops | Contributor(s): Laurent Montesi
Laurent Montesi Wishlist Presentation. August 18-19, 2006. Laurent Montesi.
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Multi-Scale Parallel computing in Laboratory of Computational Geodynamics
24 Jan 2021 | Workshops | Contributor(s): David Yuen
Multi-Scale Parallel computing in Laboratory of Computational Geodynamics, Chinese Academy of Sciences. August 18-19, 2006. David Yuen.
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GyPSM: Geodynamic and Petrological Synthesis Model
24 Jan 2021 | Workshops | Contributor(s): Laura Baker, Paula Smith
GyPSM: Geodynamic and Petrological Synthesis Model. August 18-19, 2006. Laura Baker, Paula Smith.
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Software Tools for Magma Convection at CIG
09 Jan 2021 | Workshops | Contributor(s): Shijie Zhong
The Software Tools for Mantle Convection at CIG: The Current State. August 18-19, 2006. Shijie Zhong.