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  1. Fault strength evolution during the seismic cycle: Insights from the laboratory

    10 Mar 2023 | Contributor(s): John Bedford

    Geophysical evidence suggests that some faults are frictionally strong, in agreement with laboratory measurements of quasi-static frictional strength (μ ≈ 0.6-0.8) for many crustal materials; whereas others studies have found that some faults are weak when compared to laboratory friction...

  2. Finite Prandtl Number Convection

    27 Dec 2020 | Contributor(s): Catherine A. Hier-Majumder

    Finite Prandtl Number Convection. June 20, 2005. Catherine A. Hier-Majumder. 

  3. 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...

  4. Geodetic Source Inversion Validation

    02 Apr 2021 | Workshops | Contributor(s): Rowena Lohman

    Geodetic Source Inversion Validation. June 18-22, 2012. Rowena Lohman. 

  5. Geophysical Data National Archive of IGN-Spain

    25 Mar 2021 | Workshops | Contributor(s): Josep Batlló, Jose Manuel Tordesillas, Marina López-Muga, Irene Benayas

    Geophysical Data National Archive of IGN-Spain. September 18-19, 2019. Josep Batlló, Jose Manuel Tordesillas, Marina López-Muga, Irene Benayas. 

  6. Grain size-dependent viscosity convection

    27 Dec 2020 | Workshops | Contributor(s): Slava Solomatov

    Grain size-dependent viscosity convection. June 23, 2005. Slava Solomatov.

  7. Green's Functions: Inverting Geodetic Data for Fault Slip with 2-D Earth Structure

    02 Apr 2021 | Workshops | Contributor(s): Charles Williams, Brad Aagaard, Matt Knepley

    Green's Functions: Inverting Geodetic Data for Fault Slip with 2-D Earth Structure. June 18-22, 2012. Charles Williams, Brad Aagaard, Matt Knepley. 

  8. Historical Seismogram Analysis

    25 Mar 2021 | Workshops | Contributor(s): Alberto Michelini, Matteo Quintiliani, Silvia Filosa

    Historical Seismogram Analysis. September 18-19, 2019. Alberto Michelini, Matteo Quintiliani, Silvia Filosa. 

  9. 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.

  10. 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. 

  11. Image-Based Processing Methods in Develocorder Films Using Machine Learning: Application to the Rangely Earthquake Control Experiment

    25 Mar 2021 | Workshops | Contributor(s): Kaiwen Wang, Weiqiang Zhu, William L. Ellsworth, Gregory C. Beroza

    Image-Based Processing Methods in Develocorder Films Using Machine Learning: Application to the Rangely Earthquake Control Experiment. September 18-19, 2019. Kaiwen Wang, Weiqiang Zhu, William L. Ellsworth, Gregory C. Beroza. 

  12. Importance of Legacy Data for National Security

    24 Mar 2021 | Workshops | Contributor(s): Brian Young

    Importance of Legacy Data for National Security. September 18-19, 2019. Brian Young. 

  13. 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. 

  14. 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.

  15. Interpreting interseismic observations with elastic block models

    02 Apr 2021 | Workshops | Contributor(s): Jack Loveless, Brendan Meade

    Interpreting interseismic observations with elastic block models. June 18-22, 2012. Jack Loveless, Brendan Meade. 

  16. 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. 

  17. 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.

  18. Legacy Data Holdings Held By The U.S. Geological Survey in Colorado

    25 Mar 2021 | Workshops | Contributor(s): Jim Dewey

    Legacy Data Holdings Held By The U.S. Geological Survey in Colorado. September 18-19, 2019. Jim Dewey. 

  19. 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.

  20. Megathrust friction in the 2010 Maule earthquake area in relation to forearc morphology and mechanical stability, and to earthquake rupture dynamics

    02 Apr 2021 | Workshops | Contributor(s): Nadaya Cubas, J.P. Avouac, N. Lapusta, Y. Leroy, P. Souloumiac

    Megathrust friction in the 2010 Maule earthquake area in relation to forearc morphology and mechanical stability, and to earthquake rupture dynamics. June 18-22, 2012. Nadaya Cubas, J.P. Avouac, N. Lapusta. 

  21. Metadata Collected by Legacy Data Rescue Projects

    25 Mar 2021 | Workshops | Contributor(s): Tim Ahern

    Metadata Collected by Legacy Data Rescue Projects. September 18-19, 2019. Tim Ahern. 

  22. 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...

  23. MSU's Analog Digitization Challenges

    25 Mar 2021 | Workshops | Contributor(s): Daniel Burk, Kevin Mackey, Kaitlyn Burkhart, Viktor

    MSU's Analog Digitization Challenges. September 18-19, 2019. Daniel Burk, Kevin Mackey, Kaitlyn Burkhart, Viktor. 

  24. One million paper seismograms from New Zealand, Antarctica, and the Pacific

    25 Mar 2021 | Workshops | Contributor(s): Paul Viskovic

    One million paper seismograms from New Zealand, Antarctica, and the Pacific. September 18-19, 2019. Paul Viskovic. 

  25. Overview of PyLith

    02 Apr 2021 | Workshops | Contributor(s): Charles Williams, Brad Aagaard, Matthew Knepley

    Overview of PyLith. June 18-22, 2012. Charles Williams, Brad Aagaard, Matthew Knepley. 

  26. 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. 

  27. Preserving analogue seismograms of regional networks and other documents. Experience at the Institut Cartogràfic i Geològic de Catalunya

    25 Mar 2021 | Workshops | Contributor(s): Josep Batlló, Jose Antonio Jara, Maria Teresa Merino, Germán Solé

    Preserving analogue seismograms of regional networks and other documents. Experience at the Institut Cartogràfic i Geològic de Catalunya. September 18-19, 2019. Josep Batlló, Jose Antonio Jara, Maria Teresa Merino, Germán Solé. 

  28. Pyre

    27 Dec 2020 | Workshops | Contributor(s): Michael Aivazis

    Pyre - An overview of a software architecture for scientific applications. June 20, 2005. Michael Aivazis. 

  29. Relative Time Corrections For Digitized Analog Records

    25 Mar 2021 | Workshops | Contributor(s): Thomas Lee, Miaki Ishii

    Relative Time Corrections For Digitized Analog Records. September 18-19, 2019. Thomas A. Lee, Miaki Ishii. 

  30. Relax: Semi-analytic Fourier-domain solver and equivalent body forces for quasi-static relaxation of stress perturbation

    02 Apr 2021 | Workshops | Contributor(s): Sylvain Barbot

    Relax: Semi-analytic Fourier-domain solver and equivalent body forces for quasi-static relaxation of stress perturbation. June 18-22, 2012. Sylvain Barbot. 

  31. Restoration and Recovery of Historical Seismic Records from the Former Soviet Union

    25 Mar 2021 | Workshops | Contributor(s): Daniel Burk, Kevin Mackey, Kaitlyn Burkhart, Ken Abrams, Inna Sokolova

    Restoration and Recovery of Historical Seismic Records from the Former Soviet Union. September 18-19, 0219. Daniel Burk, Kevin Mackey, Kaitlyn Burkhart, Ken Abrams, Inna Sokolova. 

  32. Rheologic Controls on Slab Dynamics

    27 Dec 2020 | Workshops | Contributor(s): Magali Billen

    Rheologic Controls on Slab Dynamics. June 23, 2005. Magali Billen. 

  33. Scientific issues raised by using GPS data to estimate fault slip rates

    02 Apr 2021 | Workshops | Contributor(s): Kaj Johnson, Bob Simpson, Jim Savage, Wayne Thatcher

    Scientific issues raised by using GPS data to estimate fault slip rates. June 18-22, 2012. Kaj Johnson & UCERF3/GPS Group, Bob Simpson, Jim Savage, Wayne Thatcher. 

  34. 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. 

  35. 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...

  36. SKATE: A web-based seismogram digitization tool

    25 Mar 2021 | Workshops | Contributor(s): Andrew Barlett

    SKATE: A web-based seismogram digitization tool. September 18-19, 2019. Andrew Barlett. 

  37. Slow slip events simulated using a friction law with a velocity-weakening to -strengthening transition

    02 Apr 2021 | Workshops | Contributor(s): Jessica Hawthorne, Allan Rubin

    Slow slip events simulated using a friction law with a velocity-weakening to -strengthening transition. June 18-22, 2012. Jessica Hawthorne, Allan Rubin. 

  38. 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.

  39. 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...

  40. 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...

  41. 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...

  42. 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...

  43. Subduction Dynamics

    27 Dec 2020 | Workshops | Contributor(s): Mike Gurnis

    Subduction Dynamics: From Initiation to Maturity. June 22, 2005. Mike Gurnis, Chad Hall. 

  44. 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...

  45. 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...

  46. 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. 

  47. The Mexican Seismogram Library OnLine: preservation and dissemination of historical data on seismograms 1904-2015

    25 Mar 2021 | Workshops | Contributor(s): Xyoli Pérez-Campos, Saúl Armendáriz Sánchez, Víctor H. Espíndola, Jesús A. Pérez, Minerva Castro Escamilla, Caridad Cárdenas Monroy, Perla Sosa Zaragoza, Luis Manuel Casiano Casiano

    The Mexican Seismogram Library OnLine: preservation and dissemination of historical data on seismograms 1904-2015. September 18-19, 2019. Xyoli Pérez-Campos, Saúl Armendáriz Sánchez, Víctor H. Espíndola, Jesús A. Pérez,...

  48. The nucleation of a laboratory earthquake: Implications for foreshocks and minimum earthquake size

    02 Apr 2021 | Workshops | Contributor(s): Greg McLaskey, Brian Kilgore, Nick Beeler, Dave Lockner

    The nucleation of a laboratory earthquake: Implications for foreshocks and minimum earthquake size. June 18-22, 2012. Greg McLaskey, Brian Kilgore, Nick Beeler, Dave Lockner. 

  49. 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. 

  50. 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.