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  1. Overview of the High-Order ADER-DG Method for Numerical Seismology

    18 Feb 2021 | Contributor(s): Martin Käser, Michael Dumbser, Josep de la Puente, Verena Hermann, Cristobal Castro

    Overview of the High-Order ADER-DG Method for Numerical Seismology. October 9-11, 2007. Martin Käser, Michael Dumbser, Josep de la Puente, Verena Hermann, Cristobal Castro.

  2. Preliminary analysis of seismic anisotropy changes associated the Kaikoura earthquakes in New Zealand

    26 Mar 2021 | 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. 

  3. 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. Use the PyLith...

  4. Rayleigh and Love wave tomography of the western United States from ambient seismic noise using US Array

    17 Feb 2021 | Workshops | Contributor(s): Fan-Chi Lin, Morgan Moschetti, Michael Ritzwoller

    Rayleigh and Love wave tomography of the western United States from ambient seismic noise using US Array. October 9-11, 2007. Fan-Chi Lin, Morgan P. Moschetti, and Michael H. Ritzwoller. 

  5. 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. 

  6. 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...

  7. 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. 

  8. 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. 

  9. 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...

  10. 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. 

  11. 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. 

  12. 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...

  13. ShakeOut and its effects in Los Angeles and Oxnard areas

    17 Feb 2021 | Workshops | Contributor(s): Leonardo Ramirez-Guzman, Ricardo Taborda, Julio López, John Urbanic, Jacobo Bielak, David O'Hallaron

    ShakeOut and its effects in Los Angeles and Oxnard areas. October 9-11, 2007. Leonardo Ramírez-Guzmán, Ricardo Taborda, Julio López, John Urbanic, Jacobo Bielak and David O’Hallaron. 

  14. 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. 

  15. 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.

  16. 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.

  17. 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.

  18. 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...

  19. 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...

  20. 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...

  21. 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...

  22. SPECFEM3D_GLOBE

    17 Feb 2021 | Workshops | Contributor(s): David Michéa

    SPECFEM3D_GLOBE. October 9-11, 2007. David Michéa. 

  23. 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...

  24. Synthetic seismograms for stagnant slab model

    17 Feb 2021 | Workshops | Contributor(s): Seiji Tsuboi, H. Sugioka, M. Obayashi, Y. Fukao, Yuan Gao

    Synthetic seismograms for stagnant slab model. October 9-11, 2007. Seiji Tsuboi, H. Sugioka, M. Obayashi, Y. Fukao, Yuan Gao.

  25. 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...

  26. 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. 

  27. 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. 

  28. 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. 

  29. 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  

  30. 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. 

  31. 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.

  32. Wave Propagation Project (WPP): A New Open-Source Tool Supporting Computational Seismology at LLNL

    17 Feb 2021 | Workshops | Contributor(s): Arthur Rodgers

    Wave Propagation Project (WPP): A New Open-Source Tool Supporting Computational Seismology at LLNL. October 9-11, 2007. Arthur Rodgers. 

  33. 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.