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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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2023 PyLith Hackathon
02 Aug 2023 | Workshops | Contributor(s): Brad Aagaard
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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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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Regional Scale Earthquake Hazard and Structural Risk Simulations
01 Apr 2021 | Workshops | Contributor(s): Mamun Miah
Regional Scale Earthquake Hazard and Structural Risk Simulations. September 18-22, 2017. Mamun Miah.
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FORCE11 Software Citation Principles
01 Apr 2021 | Workshops | Contributor(s): Lorraine Hwang
FORCE11 Software Citation Principles. September 18-22, 2017. Lorraine Hwang.
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Towards Structural Imaging Using Scattering Artifacts Detected in Ambient Field Correlations
01 Apr 2021 | Workshops | Contributor(s): Lise Retailleau, Gregory Beroza
Towards Structural Imaging Using Scattering Artifacts Detected in Ambient Field Correlations. September 18-22, 2017. Lise Retailleau, Gregory Beroza.
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Salvus: A flexible open-source package for waveform modelling and inversion from laboratory to global scales
01 Apr 2021 | Workshops | Contributor(s): Lion Krischer, Michael Afanasiev, Christian Boehm, Martin van Driel, Andreas Fichtner
Salvus: A flexible open-source package for waveform modelling and inversion from laboratory to global scales. September 18-22, 2017. Lion Krischer, Michael Afanasiev, Christian Boehm, Martin van Driel, Andreas Fichtner.
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3D Dynamic Rupture Simulations along Dipping Faults, with a focus on the Wasatch Fault Zone, Utah
01 Apr 2021 | Workshops | Contributor(s): Kyle Withers, Morgan Moschetti
3D Dynamic Rupture Simulations along Dipping Faults, with a focus on the Wasatch Fault Zone, Utah. September 18-22, 2017. Kyle Withers.
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Amplification of seismic waves in Nenana basin, central Alaska
01 Apr 2021 | Workshops | Contributor(s): Kyle Smith, Carl Tape
Amplification of seismic waves in Nenana basin, central Alaska. September 18-22, 2017. Kyle Smith, Carl Tape.
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CIG Bylaws 2018
30 Mar 2021 | Documents | Contributor(s): Staff
Bylaws of Computational Infrastructure for Geodynamics (CIG). As amended by the Electorate, June 30, 2018.
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Preliminary analysis of seismic anisotropy changes associated the Kaikoura earthquakes in New Zealand
26 Mar 2021 | Workshops | Contributor(s): Kenny Graham, Martha K. Savage, Richard Arnold
Preliminary analysis of seismic anisotropy changes associated the Kaikoura earthquakes in New Zealand. September 18-22, 2017. Kenny Graham, Martha K. Savage, Richard Arnold.
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Assessing variations in shear wave splitting measurement due to scattered waves using simulated waveforms
26 Mar 2021 | Workshops | Contributor(s): Kenny Graham, Martha K. Savage, Richard Arnold
Assessing variations in shear wave splitting measurement due to scattered waves using simulated waveforms. September 18-22, 2017. Kenny Graham, Martha K. Savage, Richard Arnold.
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Thermokarst-On-Demand: Observations from a Controlled Permafrost Warming Experiment
26 Mar 2021 | Workshops | Contributor(s): Nate Lindsey, Anna Wagner, Shan Dou, Ian Ekblaw, Art Gelvin, Stephanie Saari, Todd Wood, Alex Morales, Craig Ulrich, Barry Freifeld, Tom Daley, Jonathan Ajo-Franklin
Thermokarst-On-Demand: Observations from a Controlled Permafrost Warming Experiment. September 18-22, 2017. Nate Lindsey, Anna Wagner, Shan Dou, Ian Ekblaw, Art Gelvin, Stephanie Saari, Todd Wood, Alex Morales, Craig Ulrich, Barry Freifeld, Tom Daley, Jonathan Ajo-Franklin.
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The spatial sensitivity of teleseismic Sp converted waves
26 Mar 2021 | Workshops | Contributor(s): Nicholas J. Mancinelli, Karen M. Fischer
The spatial sensitivity of teleseismic Sp converted waves. September 18-22, 2017. Nicholas J. Mancinelli, Karen M. Fischer.
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3D Simulations of Earthquakes on Parallel Offset Faults with Homogeneous Stress Conditions
26 Mar 2021 | Workshops | Contributor(s): Kayla A. Kroll, Keith B. Richards-Dinger, James H. Dieterich, David D. Oglesby
3D Simulations of Earthquakes on Parallel Offset Faults with Homogeneous Stress Conditions. September 18-22, 2017. Kayla A. Kroll, Keith B. Richards-Dinger, James H. Dieterich, David D. Oglesby.
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Coseismic and postseismic velocity changes caused by the 2016 Mw 6.5 Meinong, Taiwan, Earthquake using Ambient Seismic Noise
26 Mar 2021 | Workshops | Contributor(s): Po-Chin Tseng, Ruey-Juin Rau, Tzu-Ying Huang, Yuan-Cheng Gung
Coseismic and postseismic velocity changes caused by the 2016 Mw 6.5 Meinong, Taiwan, Earthquake using Ambient Seismic Noise. September 18-22, 2017. Po-Chin Tseng, Ruey-Juin Rau, Tzu-Ying Huang, Yuan-Cheng Gung.
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Imaging the Alaskan subduction zone with joint inversion of ambient noise and teleseismic surface waves
26 Mar 2021 | Workshops | Contributor(s): Robert Martin-Short, Richard Allen, Robert Porritt
Imaging the Alaskan subduction zone with joint inversion of ambient noise and teleseismic surface waves. September 18-22, 2017. Robert Martin-Short, Richard Allen, Robert Porritt.
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Seismo-Acoustic Analyses of the DPRK Underground Nuclear Tests for the Estimation of Source Depth
26 Mar 2021 | Workshops | Contributor(s): Jelle Assink, G. Averbuch, Pieter Smets, Läslo Evers
Seismo-Acoustic Analyses of the DPRK Underground Nuclear Tests for the Estimation of Source Depth. September 18-22, 2017. Jelle Assink, G. Averbuch, Pieter Smets, Läslo Evers.
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Comparison of magmatic and amagmatic rift zone kinematics using full moment tensor inversions of regional earthquakes
26 Mar 2021 | Workshops | Contributor(s): Sarah J. Oliva, C.J. Ebinger, D. Shillington, J. Albaric, A. Deschamps, D. Keir, C. Drooff
Comparison of magmatic and amagmatic rift zone kinematics using full moment tensor inversions of regional earthquakes. September 18-22, 2017. Sarah J. Oliva, C.J. Ebinger, D. Shillington, J. Albaric, A. Deschamps, D. Keir, C. Drooff.
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Large-N array observations of injection-induced seismicity in northern Oklahoma: the LASSO experiment
26 Mar 2021 | Workshops | Contributor(s): Sara L. Dougherty, Elizabeth S. Cochran, Rebecca M. Harrington
Large-N array observations of injection-induced seismicity in northern Oklahoma: the LASSO experiment.September 18-22, 2017. Sara L. Dougherty, Elizabeth S. Cochran, and Rebecca M. Harrington.
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Spatiotemporal Relationship between Shallow Slow Slip and Repeating Earthquakes in the Northern Hikurangi Subduction Margin, New Zealand
26 Mar 2021 | Workshops | Contributor(s): Heather Shaddox, Susan Schwartz, Erin Todd, Anne Sheehan, Jefferson Yarce, Jenny Nakai
Spatiotemporal Relationship between Shallow Slow Slip and Repeating Earthquakes in the Northern Hikurangi Subduction Margin, New Zealand. September 18-22, 2017. Heather R Shaddox, Susan Y Schwartz, Erin K Todd, Anne F Sheehan, Jefferson Yarce, Jenny S Nakai.
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Detecting and Characterizing Activity on Land and at Sea
26 Mar 2021 | Workshops | Contributor(s): Gabrielle Tepp
Detecting and Characterizing Activity on Land and at Sea. September 18-22, 2017. Gabrielle Tepp.
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Improving infrasonic location estimates for underground nuclear explosions
26 Mar 2021 | Workshops | Contributor(s): Fransiska Dannemann, Philip Blom, Junghyun Park, Omar Marcillo, Brian Stump, Il-Young Che
Improving infrasonic location estimates for underground nuclear explosions. September 18-22, 2017. Fransiska K Dannemann, Philip Blom, Junghyun Park, Omar Marcillo, Brian Stump, Il-Young Che.
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Wavefield simulations of earthquakes in southern Alaska for tomographic inversion
26 Mar 2021 | Workshops | Contributor(s): Vipul Silwal, Carl Tape
Wavefield simulations of earthquakes in southern Alaska for tomographic inversion. September 18-22, 2017. Vipul Silwal.
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Seismo-Acoustic Coupled Signals - Epicentral and Secondary Sources of Infrasound
26 Mar 2021 | Workshops | Contributor(s): Shahar Shani-Kadmiel, Jelle D. Assink, Pieter S. M. Smets, Läslo G. Evers
Seismo-Acoustic Coupled Signals - Epicentral and Secondary Sources of Infrasound. September 18-22, 2017. Shahar Shani-Kadmiel, Jelle D. Assink, Pieter S. M. Smets, Läslo G. Evers.
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High-resolution seismic velocity structure of Makushin Volcano, Alaska
26 Mar 2021 | Workshops | Contributor(s): Federica Lanza, Clifford Thurber, Ellen Syracuse, Abhijit Ghosh, John Power
High-resolution seismic velocity structure of Makushin Volcano, Alaska. September 18-22, 2019. Federica Lanza, Clifford H. Thurber, Ellen M. Syracuse, Abhijit Ghosh, John Power.
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A Framework of Ground Truth Event Locations Across Iran from a Two Tiered Multi-Event Relocation Approach
26 Mar 2021 | Workshops | Contributor(s): Ezgi Karasozen, Eric Bergman, Edwin Nissen
A Framework of Ground Truth Event Locations Across Iran from a Two Tiered Multi-Event Relocation Approach. September 18-22, 2017. Ezgi Karasozen, Eric Bergman, Edwin Nissen.
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Seismic anisotropy beneath eastern North America: laterally variable and layered?
26 Mar 2021 | Workshops | Contributor(s): Xiaoran Chen, Yiran Li, Vadim Levin
Seismic anisotropy beneath eastern North America: laterally variable and layered?. September 18-22, 2017. Xiaoran Chen.
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Characteristics of Broadband Seismic Noise in Taiwan
26 Mar 2021 | Workshops | Contributor(s): Ching-Wei Chen, Ruey-Juin Rau
Characteristics of Broadband Seismic Noise in Taiwan. September 18-22, 2017. Ching-Wei Chen, Ruey-Juin Rau.
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Upper crustal structure of Santorini Volcano and the surrounding region from dense, active source seismic data
26 Mar 2021 | Workshops | Contributor(s): Ben Heath
Upper crustal structure of Santorini Volcano and the surrounding region from dense, active source seismic data. September 18-22, 2017. Ben Heath.
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Broadband 3D SW4 Simulations of an M 7.0 Hayward Fault Scenario Earthquake
26 Mar 2021 | Workshops | Contributor(s): Arthur Rodgers, Anders Petersson, Arben Pitarka, Bjorn Sjogreen, David McCallen
Broadband 3D SW4 Simulations of an M 7.0 Hayward Fault Scenario Earthquake. September 18-22, 2017. Artie Rogers, N. Anders Petersson, Arben Pitarka, and Bjorn Sjogreen, David B. McCallen.
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Source Analysis of Underground Chemical Explosions from the Source Physics Experiment
26 Mar 2021 | Workshops | Contributor(s): Andrea Chiang, Arben Pitarka, Sean Ford
Source Analysis of Underground Chemical Explosions from the Source Physics Experiment. September 18-22, 2017. Andrea Chiang, Arben Pitarka, Sean Ford.
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Microseismic event relocation based on PageRank linkage at the Newberry Volcano Geothermal Site
26 Mar 2021 | Workshops | Contributor(s): Ana Aguiar, Stephen Myers
Microseismic event relocation based on PageRank linkage at the Newberry Volcano Geothermal Site. September 18-22, 2017. Ana C. Aguiar, Stephen C. Myers.
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Global Full-Waveform Inversion: Towards Exascale Imaging of the Earth's Interior
26 Mar 2021 | Workshops | Contributor(s): Ebru Bozdag
Global Full-Waveform Inversion: Towards Exascale Imaging of the Earth's Interior. September 18-22, 2017. Ebru Bozdag.
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Simulating seismic wave propagation with SW4
26 Mar 2021 | Workshops | Contributor(s): Anders Petersson
Simulating seismic wave propagation with SW4. September 18-22, 2017. N. Anders Petersson.
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Fundamentals of numerical methods
26 Mar 2021 | Workshops | Contributor(s): Carene Larmat
Fundamentals of numerical methods. September 18-22, 2017. Carene Larmat.
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CIG Business Meeting 2007 Presentations
07 Feb 2021 | Documents | Contributor(s): Staff
PDF presentations given at the CIG Business Meeting on December 11, 2007, in San Francisco during the annual AGU Meeting.