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  1. governance x
  2. 2006challengesandopportunitiesattheinterfacesofscientificcomputingandcomputationalgeodyn x
  3. 2021 x
  4. 2013cigquestirisjointworkshoponseismicimagingofstructureandsource x
  5. webinar x

  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. 2022 Mainshock and aftershock sequence simulations in a nonplanar fault network

    19 May 2022 | Webinars | Contributor(s): So Ozawa, Ryosuke Ando

    Aftershocks seem to be located along the trace of the mainshock fault; however, due to the location error, we do not know their exact location relative to the mainshock fault. Here, we hypothesize that most aftershocks occur on small subsidiary faults instead of the mainshock fault, and they...

  3. 2022 Poroelastic Implementation in PyLith: Gateway to Multiphysics

    13 May 2022 | Webinars | Contributor(s): Robert L Walker

    Thursday May 12, 2022 @ 2P PDT Poroelastic Implementation in PyLith: Gateway to Multiphysics Robert Walker, SUNY Buffalo PyLith, a community, open-source code (https://geodynamics.org/resources/pylith) for modeling quasi-static and dynamic crustal deformation with an emphasis on earthquake...

  4. 2022 Energy transfer among flow and magnetic fields with different equatorial symmetry during the dipole reversal in a geodynamo simulation

    17 Feb 2022 | Webinars | Contributor(s): Takumi Kera, Hiroaki Matsui, Masaki Matsushima, Yuto Katoh

    The geomagnetic field has reversed its polarity, and some numerical dynamos have suggested that anti-symmetric flow with respect to the equator plays a role in reversals. Olson et al., (2004) suggested that the equatorial antisymmetric flow is temporarily strengthened, and transports a locally...

  5. 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.

  6. 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.

  7. 2021 SMOREs Introduction

    02 Nov 2021 | Webinars | Contributor(s): John Naliboff

    2021 SMOREs ShowcaseJohn Naliboff, New Mexico Tech

  8. 2021 SMOREs Introduction

    02 Nov 2021 | Webinars | Contributor(s): John Naliboff

    2021 SMOREs ShowcaseJohn Naliboff, New Mexico Tech

  9. 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

  10. 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

  11. 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

  12. 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

  13. 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

  14. 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

  15. 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

  16. 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

  17. 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.

  18. 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.

  19. 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

  20. 2020 Numerical models of lower crustal flow explain Yellowstone's "tectonic parabola"

    07 Oct 2021 | Webinars | Contributor(s): Jonathan Perry-Houts

    Several hypotheses exist for the origin of the seismically active region of high topography surrounding the Yellowstone hotspot track. Among these is the idea that a dense mid-crustal sill has driven viscous lower crust away from the hotspot track, producing crustal thinning/subsidence in the...

  21. 2021 CIG Community Research Highlights

    02 Aug 2021 | Documents | Contributor(s): Lorraine Hwang

    Research highlights solicited from the community for CIG IV, 

  22. Computational Science Roundtable Discussion

    01 Apr 2021 | Workshops | Contributor(s): Staff

    Computational Science Roundtable Discussion. October 16-18, 2006. 

  23. 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. 

  24. Full Waveform Inversion: challenges

    29 Mar 2021 | Workshops | Contributor(s): Jean Virieux, A. Asnaashari, F. Bretaudeau, R. Brossier, C. Castellanos, M. Dietrich, S. Garambois, F. Lavoue, I. Masoni, L. Metivier, S. Operto, A. Ribodetti

    Full Waveform Inversion: challenges. July 14-19, 2013. Jean Virieux. 

  25. Imaging Earth's Interior based on Spectral-Element and Adjoint Methods

    29 Mar 2021 | Workshops | Contributor(s): Jeroen Tromp, Hejun Zhu, Ebru Bozdag, Daniel Peter, Tom Duffy

    Imaging Earth's Interior based on Spectral-Element and Adjoint Methods. July 14-19, 2013. Jeroen Tromp. 

  26. Imaging with the Generalized Radon Transform: a review of the theory and applications (to subduction zones)

    29 Mar 2021 | Workshops | Contributor(s): Stéphane Rondenay, M Bostock, J Shragge, G Abers, C-W Chen, S. McGary, F Pearce, J. Suckale, P van Keken, L Montési

    Imaging with the Generalized Radon Transform: a review of the theory and applications (to subduction zones). July 14-19, 2013. Stéphane Rondenay. 

  27. Low velocities in the oceanic upper mantle and their relation to plumes: insights from SEM-based waveform tomography

    29 Mar 2021 | Workshops | Contributor(s): Barbara Romanowicz, Scott French, Verdan Lekic

    Low velocities in the oceanic upper mantle and their relation to plumes: insights from SEM-based waveform tomography. July 14-19, 2013. Barbara Romanowicz. 

  28. Rapid CAD and tetrahedral mesh generation for dynamic rupture problems

    29 Mar 2021 | Workshops | Contributor(s): Christian Pelties, Cameron Smith, Gudmundur Heimisson, Stefan Wenk, Alice Gabriel

    Rapid CAD and tetrahedral mesh generation for dynamic rupture problems. July 14-19, 2013. Christian Pelties. 

  29. AxiSEM HIgh-frequency Global Wavefields for Forward and Inverse Modeling

    29 Mar 2021 | Workshops | Contributor(s): Tarje Nissen-Meyer, Martin van Driel, Simon Stähler, Kasra Hosseini, Stefanie Hempel, Alexandre Fournier

    AxiSEM HIgh-frequency Global Wavefields for Forward and Inverse Modeling. July 14-19, 2013. Tarjie Nissen-Meyer. 

  30. SCEC's Unified Community Velocity Model (UCVM) Software: Development Goals and Current Status

    29 Mar 2021 | Workshops | Contributor(s): Philip Maechling, David Gill, Patrick Small, Geoffrey Ely, Ricardo Taborda, Andreas Piesch, Thomas Jordan

    SCEC's Unified Community Velocity Model (UCVM) Software: Development Goals and Current Status. July 14-19, 2013. Philip Maechling. 

  31. High-resolution seismic array imaging based on spectral element simulations

    29 Mar 2021 | Workshops | Contributor(s): Piero Basini, Ping Tong, Qingya Liu, Yingjie Yang, Carl Tape, Chinwu Chen, Dimitri Komatitsch

    High-resolution seismic array imaging based on spectral element simulations. July 14-19, 2013. Piero Basini. 

  32. Quickly Imaging Global Large Earthquakes Using Seismic Waveforms ----- A balance between quickness and accuracy

    28 Mar 2021 | Workshops | Contributor(s): Chen Ji, Guangfu Shao, Xiangyu Li, Tomoko Yano, Ralph Archuleta, Gavin Hayes, David Wald, Yuehua Zeng, Dom Helmberger, Jinglai Hao

    Quickly Imaging Global Large Earthquakes Using Seismic Waveforms ----- A balance between quickness and accuracy. July 14-19, 2013. Chen Ji. 

  33. Rupture Properties of Intermediate-Depth Earthquakes

    28 Mar 2021 | Workshops | Contributor(s): Miaki Ishii, Eric Kiser, Peter M. Shearer, Charles H. Langmuir, Hitoshi Hirose

    Rupture Properties of Intermediate-Depth Earthquakes. July 14-19, 2013. Miaki Ishii. 

  34. Challenges in computational seismology

    28 Mar 2021 | Workshops | Contributor(s): Heiner Igel, M. Bernauer, A. Fichtner, P. Käufl, L. Krischer, A. Molina, C. Pelties, A. Schiemenz, M. Simon, S. Wenk

    Challenges in computational seismology. July 14-19, 2013. Heiner Igel. 

  35. Active Tectonics of Alaska

    28 Mar 2021 | Workshops | Contributor(s): Jeff Freymueller

    Active Tectonics of Alaska. July 14-19, 2013. Jeff Freymueller. 

  36. Towards a Comprehensive Seismic Model

    28 Mar 2021 | Workshops | Contributor(s): Andreas Fichtner, Yann Capdeville, Paul Cupillard, Lion Krischer, Florian Rickers, Erdinc Saygin, Jeannot Trampert, Antonio Villasenor

    Towards a Comprehensive Seismic Model. July 14-19, 2013. Andreas Fichtner. 

  37. Hex meshing 101

    28 Mar 2021 | Workshops | Contributor(s): Emanuele Casarotti

    Hex meshing 101. July 14-19, 2013. Emanuele Casarotti. 

  38. Ambient noise imaging

    28 Mar 2021 | Workshops | Contributor(s): Michel Campillo, Bérénice Froment, Piero Poli, Pierre Boué, Philippe Roux, Laurent Stehly, Gregor Hillers, Anne Paul, Nikolai Shapiro, Helle Pedersen

    Ambient noise imaging. July 14-19, 2013. Michel Campillo. 

  39. Low Frequency Earthquakes: A New Seismic Source for Imaging Subduction Zones

    28 Mar 2021 | Workshops | Contributor(s): Michael Bostock, Alexandra Royer, Gian Matharu, Robert Nowack

    Low Frequency Earthquakes: A New Seismic Source for Imaging Subduction Zones. July 14-17, 2013. Michael Bostock. 

  40. Multi-scale 4D imaging of fault zone environments

    28 Mar 2021 | Workshops | Contributor(s): Yehuda Ben-Zion, A. Allam, D. Zigone, G. Hillers, M. Campillo, R. Roux, C. Tape, Z. Peng, M. Lewis

    Multi-scale 4D imaging of fault zone environments. July 14-17, 2013. Yehuda Ben-Zion. 

  41. IRIS Services, Products, Quality Assurance Efforts, and Potential Links to High Performance Computing in the Era of BIG DATA

    28 Mar 2021 | Workshops | Contributor(s): Tim Ahern, M. Bahavar, R. Casey, C. Trabant, A. Clark, A. Hutko, R. Karstens, Y. Suleiman, B. Weertman

    IRIS Services, Products, Quality Assurance Efforts, and Potential Links to High Performance Computing in the Era of BIG DATA. July 14-17, 2013. Tim Ahern. 

  42. SGS Bay Area Seismic Velocity Model, Construction and Earthquake Simulations

    28 Mar 2021 | Workshops | Contributor(s): Brad Aagaard, Thomas Brocher, Robert Jachens, Robert Simpson

    SGS Bay Area Seismic Velocity Model, Construction and Earthquake Simulations. July 14-17, 2013. Brad Aagaard. 

  43. 2013 CIG-QUEST-IRIS Workshop: Seismic Imaging of Structure and Source Abstract Volume

    28 Mar 2021 | Workshops | Contributor(s): Organizing Committee

    2013 CIG-QUEST-IRIS Workshop: Seismic Imaging of Structure and Source Abstract Volume. July 14-17, 2013. 

  44. 2013 CIG-QUEST-IRIS Workshop: Seismic Imaging of Structure and Source Agenda

    28 Mar 2021 | Workshops | Contributor(s): Organizing Committee

    2013 CIG-QUEST-IRIS Workshop: Seismic Imaging of Structure and Source Agenda. July 14-17, 2013. 

  45. Spectral-Element and Adjoint Methods in Seismology

    11 Feb 2021 | Workshops | Contributor(s): Jeroen Tromp

    Spectral-Element and Adjoint Methods in Seismology. October 16-18, 2006. Jeroen Tromp. 

  46. An Architecture for Composing Solvers

    11 Feb 2021 | Workshops | Contributor(s): Barry Smith

    An Architecture for Composing Solvers - Case study of PETSc. October 16-18, 2006. Barry Smith. 

  47. Going Beyond an Elastic Halfspace

    11 Feb 2021 | Workshops | Contributor(s): Mark Simons, Eric Hetland, Mark Turner

    Going Beyond an Elastic Halfspace - CIG Short-Term Crustal Dynamics. October 16-18, 2006. Mark Simons, Eric Hetland, and Mark Turner. 

  48. Plumbing the Depths: Computational Challenges for Magma Dynamics in Earth Sciences

    11 Feb 2021 | Workshops | Contributor(s): Marc Spiegelman, Richard Katz

    Plumbing the Depths: Computational Challenges for Magma Dynamics in Earth Sciences. October 16-18, 2006. Marc Spiegelman, Richard Katz. 

  49. An Overview of the Application of Newton-Krylov based Solution Methods for Nonlinear Multiple-time-scale PDE Systems

    11 Feb 2021 | Workshops | Contributor(s): John Shahid

    An Overview of the Application of Newton-Krylov based Solution Methods for Nonlinear Multiple-time-scale PDE Systems. October 16-18, 2006. John Shahid . 

  50. Scalable Techniques for Scientific Visualization

    11 Feb 2021 | Workshops | Contributor(s): Claudio Silva

    Scalable Techniques for Scientific Visualization. October 16-18, 2006. Claudio Silva.