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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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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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Multigrid Methods
23 Mar 2021 | Workshops | Contributor(s): Shijie Zhong
Multigrid Methods. July 9-11, 2008. Shijie Zhong.
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Modelling Deforming Interfaces using Level Sets
23 Mar 2021 | Workshops | Contributor(s): Hans Muhlhaus, Laurent Bourgouin, Lutz Gross
Modelling Deforming Interfaces using Level Sets. July 9-11, 2008. Hans Mühlhaus, Laurent Bourgouin and Lutz Gross.
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Modeling Lithospheric Deformation with Faults
23 Mar 2021 | Workshops | Contributor(s): Mian Liu
Modeling Lithospheric Deformation with Faults. July 9-11, 2008. Mian Liu.
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Modeling Sources of Stress and Topography
23 Mar 2021 | Workshops | Contributor(s): C. Lithgow-Bertelloni, J. Naliboff, C. Conrad, N. de Koker
Modeling Sources of Stress and Topography. July 9-11, 2008. C.Lithgow-Bertelloni, J. Naliboff, C. Conrad and N. de Koker.
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Mantle Convection, Plate Boundaries and Plasticity
23 Mar 2021 | Workshops | Contributor(s): Dave May, Louis Moresi, Hans Muhlhaus, Mirko Velic, Wendy Sharples, Dave Stegman
Mantle convection, plate boundaries and plasticity. July 9-11, 2008. Dave May, Louis Moresi, Hans Mühlhaus, Mirko Velic, Wendy Sharples, Dave Stegman.
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Magmatism, Faulting, & Morphology of Mid-Ocean Ridges
23 Mar 2021 | Workshops | Contributor(s): Garrett Ito, Mark Behn
Magmatism, Faulting, & Morphology of Mid-Ocean Ridges. July 9-11, 2008. Garrett Ito, Mark Behn.
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Lagrangian Finite Element Methods
23 Mar 2021 | Workshops | Contributor(s): Boris Kaus
Lagrangian Finite Element Methods for modelling long-term tectonic processes. July 9-11, 2008. Boris Kaus.
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Interactive Visualization Tools for Large-Scale Dynamic Simulations
23 Mar 2021 | Workshops | Contributor(s): Oliver Kreylos
Interactive Visualization Tools for Large-Scale Dynamic Simulations. July 9-11, 2008. Oliver Kreylos.
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Implementing Surface Erosion Processes in Geodynamic Models
23 Mar 2021 | Workshops | Contributor(s): Sean Willett, Frederic Herman, Jean Braun
Implementing Surface Erosion Processes in Geodynamic Models. July 9-11, 2008. Sean Willett, Frederic Herman, Jean Braun.
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Grain size-dependent viscosity convection
23 Mar 2021 | Workshops | Contributor(s): Slava Solomatov
Grain size-dependent viscosity convection. July 9-11, 2008. Slava Solomatov.
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GPlates and Mantle Convection
23 Mar 2021 | Workshops | Contributor(s): Michael Gurnis
GPlates and Mantle Convection. July 9-11, 2008. Michael Gurnis.
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Gale
23 Mar 2021 | Workshops | Contributor(s): Walter Landry
Gale.July 9-11, 2008. Walter Landry.
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Exchanger
23 Mar 2021 | Workshops | Contributor(s): Eh Tan, Eun-seo Choi, Mike Gurnis, Puru Thoutireddy, Michael Aivazis
Exchanger - coupling multiple solvers for mantle convection. July 9-11, 2008. Eh Tan, Eun-seo Choi, Mike Gurnis, Puru Thoutireddy, Michael Aivazis.
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Data Assimilation Methods in Geodynamical Models
23 Mar 2021 | Workshops | Contributor(s): Alik Ismail-Zadeh, Gerald Schubert, Igor Tsepelev, Alex Korotkii
Data Assimilation Methods in Geodynamical Models. July 9-11, 2008. Alik Ismail-Zadeh, Gerald Schubert, Igor Tsepelev & Alex Korotkii.
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Convergent margins processes
23 Mar 2021 | Workshops | Contributor(s): E. Burov
Convergent margins processes. July 9-11, 2008. E. Burov.
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Chemical Heterogeneity - Tracers and Entrainment
23 Mar 2021 | Workshops | Contributor(s): Allen K. McNamara
Chemical Heterogeneity - Tracers and Entrainment. July 9-11, 2008.Allen K. McNamara.
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Anisotropic Convection
23 Mar 2021 | Workshops | Contributor(s): Einat Lev
Anisotropic Convection. July 9-11, 2008. Einat Lev.
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Adaptive Finite Element Methods For Geodynamics
23 Mar 2021 | Workshops | Contributor(s): J. Huw Davies
Adaptive Finite Element Methods For Geodynamics. July 9-11, 2008. J. Huw Davies.
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IRIS Short Course August 2015
19 Dec 2020 | Workshops | Contributor(s): Lion Krischer
ObsPy A very short introduction to Obspy developed for the IRIS-EarthScope Short Course.
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Tutorial - 2017 CIG-LLNL Computational Seismology Workshop
19 Dec 2020 | Software: Download | Contributor(s): Lion Krischer
ObsPy. A series of 8 notebooks developed for the September 18-22. 2017 CIG-LLNL Computational Seismology Workshop