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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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2021 CIG
18 Nov 2021 | Documents | Contributor(s): CIG Staff
Presentation and recording of the 2021 CIG Annual Business Meeting November 18, 2021 ~@1-2:30P PT.
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2021 CIG Annual Business Meeting
18 Nov 2021 | Documents | Contributor(s): CIG Staff
Presentation from the 2021 CIG Annual Business Meeting, November 18 @1-2:30P PT.
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2021 SMOREs Introduction
02 Nov 2021 | Webinars | Contributor(s): John Naliboff
2021 SMOREs ShowcaseJohn Naliboff, New Mexico Tech
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2021 Interactions between Lithospheric Instabilities and Formation of Mantle Plumes in Venus
02 Nov 2021 | Webinars | Contributor(s): Hiva Mohammadzadeh
2021 SMOREs ShowcaseHiva Mohammadzadeh, Los Angeles Pierce College
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2021 Early Earth Influence of Radiogenic Heating on Mid-Ocean Ridge Depths and Seafloor Subsidence
02 Nov 2021 | Webinars | Contributor(s): Keneni Godana
2021 SMOREs ShowcaseKeneni Godana, University of Illinois at Chicago
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2021 Bayesian Uncertainty Quantification of Subduction Zone Rheology from the Geoid
02 Nov 2021 | Webinars | Contributor(s): Elena Ehrlich
2021 SMOREs ShowcaseElena Ehrlich, North Carolina State University
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2021 As Above So Below: A Simulation of the Continental Lithosphere and LLSVPs as Thermal Insulators Using ASPECT
02 Nov 2021 | Webinars | Contributor(s): Dante Hickey
2021 SMOREs ShowcaseDante Hickey, Reed College
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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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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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2021 CIG Community Research Highlights
02 Aug 2021 | Documents | Contributor(s): Lorraine Hwang
Research highlights solicited from the community for CIG IV,
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Rheologic Controls on Slab Dynamics
27 Dec 2020 | Workshops | Contributor(s): Magali Billen
Rheologic Controls on Slab Dynamics. June 23, 2005. Magali Billen.
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Plumbing the Depths
27 Dec 2020 | Workshops | Contributor(s): Marc Spiegelman, Richard Katz
Plumbing the Depths: Towards an integration of magma dynamics and global mantle convection. June 23, 2005. Marc Spiegelman, Richard Katz.
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Grain size-dependent viscosity convection
27 Dec 2020 | Workshops | Contributor(s): Slava Solomatov
Grain size-dependent viscosity convection. June 23, 2005. Slava Solomatov.
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Subduction Dynamics
27 Dec 2020 | Workshops | Contributor(s): Mike Gurnis
Subduction Dynamics: From Initiation to Maturity. June 22, 2005. Mike Gurnis, Chad Hall.
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How do we know if plate-like calculations are really plates and does it matter?
27 Dec 2020 | Workshops | Contributor(s): Scott King
How do we know if plate-like calculations are really plates and does it matter? June 22, 2005. Scott King.
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Seismic anisotropy
27 Dec 2020 | Workshops | Contributor(s): Thorsten Becker
Seismic anisotropy from nested flow models with fabric development: enough already? June 21, 2005. Thorsten Becker.
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An Introduction to the TeraGrid
27 Dec 2020 | Workshops | Contributor(s): Jeffrey Gardner
An Introduction to the TeraGrid. June 20, 2005. Jeffrey Gardner.
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Pyre
27 Dec 2020 | Workshops | Contributor(s): Michael Aivazis
Pyre - An overview of a software architecture for scientific applications. June 20, 2005. Michael Aivazis.
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How to Stabilize Superplumes
27 Dec 2020 | Workshops | Contributor(s): Eh Tan, Mike Gurnis
How to Stabilize Superplumes (Compressible thermo-chemical convection on African superplume). June 20, 2005. Eh Tan, Mike Gurnis.
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Mantle Plume Volcanism on Present-day Mars
27 Dec 2020 | Workshops | Contributor(s): Walter Kiefer
Mantle Plume Volcanism on Present-day Mars. June 20, 2005. Walter Keifer.
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Finite Prandtl Number Convection
27 Dec 2020 | Workshops | Contributor(s): Catherine A. Hier-Majumder
Finite Prandtl Number Convection. June 20, 2005. Catherine A. Hier-Majumder.
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Influences of the Postperovskite Transiton on Lower Mantle Dynamics
27 Dec 2020 | Workshops | Contributor(s): David Yuen, Charley Kameyama, Radek Matyska, Marie Behounokova
Influences of the Postperovskite Transiton on Lower Mantle Dynamics. June 20, 2005. David Yuen, Charley Kameyama, Radek Matyska, Marie Behounokova.
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Thermo-chemical convection: a comparison of numerical methods, and application to modeling planetary evolution
27 Dec 2020 | Workshops | Contributor(s): Paul Tackley
Thermo-chemical convection: a comparison of numerical methods, and application to modeling planetary evolution. June 20, 2005. Paul Tackley.
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Investigating large-scale mantle heterogeneity using the thermochemical extension of CitcomS
27 Dec 2020 | Workshops | Contributor(s): Allen K. McNamara
Investigating large-scale mantle heterogeneity using the thermochemical extension of CitcomS. June 20, 1005. Allen K. McNamara.
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Influences of Compositional Stratification
27 Dec 2020 | Workshops | Contributor(s): Sarah Zaranek, E.M. Parmentier
Influences of Compositional Stratification. June 19, 2005. Sarah Zaranek, E.M. Parmentier.
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Thermochemical mantle plumes: tracers, markers and chains
27 Dec 2020 | Workshops | Contributor(s): Peter van Keken, Shu-Chuan (Sky) Lin
Thermochemical mantle plumes: tracers, markers and chains. June 19, 2005. Peter van Keken, Shu-Chuan (Sky) Lin.
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A finite volume solution method for thermal convection in a spherical shell with strong temperature- and pressure-dependent viscosity
27 Dec 2020 | Workshops | Contributor(s): Kai Stemmer, H. Harder, U. Hansen
A finite volume solution method for thermal convection in a spherical shell with strong temperature- and pressure-dependent viscosity. June 19, 2005. Kai Stemmer, H. Harder, U. Hansen.
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Three-dimensional numerical simulations of thermo-chemical multiphase convection in Earth's Mantle
27 Dec 2020 | Workshops | Contributor(s): Takashi Nakagawa, Paul J. Tackley
Three-dimensional numerical simulations of thermo-chemical multiphase convection in Earth's Mantle. June 19, 2005. Takashi Nakagawa, Paul J. Tackley.
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The Existence, Longevity and Composition of Mantle Plumes and Hotspot Volcanoes
27 Dec 2020 | Workshops | Contributor(s): Mark Jellinek, Michael Manga
The Existence, Longevity and Composition of Mantle Plumes and Hotspot Volcanoes.June 19, 2005. Mark Jellinek, Michael Mark.
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Upper Mantle Dynamics Expressed in Hotspot Basalt Chemistry
27 Dec 2020 | Workshops | Contributor(s): Garrett Ito, Todd Bianco, John Mahoney, Janet Becker, Michael Garcia
Upper Mantle Dynamics Expressed in Hotspot Basalt Chemistry. June 19, 2005. Garrett Ito, Todd Bianco, John Mahoney, Janet Becker, Michael Garcia.
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3D spherical gridding
27 Dec 2020 | Workshops | Contributor(s): Christian Huettig
3D spherical gridding based on equidistant, constant volume cells for FV/FD methods. June 19, 2005. Christian Huettig.
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Unlocking the Secrets of the Rocky Planets
27 Dec 2020 | Workshops | Contributor(s): John Baumgardner
Numerical and Benchmarking Issues for 3D Spherical Codes (Unlocking the Secrets of the Rocky Planets) June 19, 2005. John Baumgardner
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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