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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...
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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...
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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...
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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...
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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 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 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 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 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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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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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...
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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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Rupture process of the 2008 Mw 8.0 Wenchuan Earthquake
01 Apr 2021 | Workshops | Contributor(s): Guangfu Shao, Chen Ji, Zhong Lu, Ken Hudnut, Jing Liu-Zeng
Rupture process of the 2008 Mw 8.0 Wenchuan Earthquake. June 23-27, 2008. Guangfu Shao.
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Simple Elastic Dislocation Models for Interseismic Deformation in Subduction Zones
01 Apr 2021 | Workshops | Contributor(s): Ravi V.S. Kanda, Mark Simons
Simple Elastic Dislocation Models for Interseismic Deformation in Subduction Zones. June 23-27, 2008. Ravi V. S. Kanda.
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Interseismic Deformation Associated with Three-Dimensional Faults in the Greater Los Angeles Region, California
01 Apr 2021 | Workshops | Contributor(s): Scott T. Marshall, Michele L. Cooke, Susan E. Owen
Interseismic Deformation Associated with Three-Dimensional Faults in the Greater Los Angeles Region, California. June 23-27, 2008. Scott T. Marshall.
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Do repeating earthquakes at Parkfield talk to each other?
01 Apr 2021 | Workshops | Contributor(s): Kate Huihsuan Chen, Roland Bürgmann, Robert M. Nadeau
Do repeating earthquakes at Parkfield talk to each other?. June 23-27, 2008. Kate Huihsuan Chen.
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Crustal deformation and block kinematics of Taiwan
01 Apr 2021 | Workshops | Contributor(s): Ruey-Juin Rau, Kuo-En Ching, Jian-Cheng Lee, Jyr-Ching Hu
Crustal deformation and block kinematics of Taiwan. June 23-27, 2008. Ruey-Juin Rau.
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A Bayesian Approach for Inter-plate Coupling Models in Subduction Zones
01 Apr 2021 | Workshops | Contributor(s): Fransisco Ortega, Mark Simons
A Bayesian Approach for Inter-plate Coupling Models in Subduction Zones. June 23-27, 2008. Fransisco Ortega.
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Mantle-scale geodynamics
30 Mar 2021 | Workshops | Contributor(s): Louis Moresi
Mantle-scale geodynamics. Sept 15-17, 2008. Louis Moresi.
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3D Spherical Mantle Convection Calculations using the Yin-Yang grid
30 Mar 2021 | Workshops | Contributor(s): Paul Tackley
3D Spherical Mantle Convection Calculations using the Yin-Yang grid. July 9-11, 2008. Paul Tackley.
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Spectral Methods for Mantle Convection with 3D Viscosity Variations
30 Mar 2021 | Workshops | Contributor(s): Robert Moucha
Spectral Methods for Mantle Convection with 3D Viscosity Variations. July 9-11, 2008. Robert Moucha.
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Some aspects of phase transitions and mantle convection
30 Mar 2021 | Workshops | Contributor(s): Luce Fleitout
Some aspects of phase transitions and mantle convection. July 9-11, 2008. Luce Fleitout.
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The Role of Mantle Tractions and the Crust
30 Mar 2021 | Workshops | Contributor(s): Lucy Flesch
The Role of Mantle Tractions and the Crust. July 9-11, 2008. Lucy Flesch.
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A Recent Free Subduction Benchmark
30 Mar 2021 | Workshops | Contributor(s): Boris Kaus
A Recent Free Subduction Benchmark (or, how a simple test can cause a major headache) July 9-11, 2008. Boris Kaus.
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The Portable Extensible Toolkit for Scientific Computing
30 Mar 2021 | Workshops | Contributor(s): Matthew Knepley
The Portable Extensible Toolkit for Scientific Computing. July 9-11, 2008. Matthew Knepley.
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Next Generation Parallel Machines
30 Mar 2021 | Workshops | Contributor(s): Bill Broadley
Next Generation Parallel Machines. July 9-11, 2008. Bill Broadley.
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Multigrid Methods
23 Mar 2021 | Workshops | Contributor(s): Shijie Zhong
Multigrid Methods. July 9-11, 2008. Shijie Zhong.
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Modelling Deforming Interfaces using Level Sets
23 Mar 2021 | Workshops | Contributor(s): Hans Muhlhaus, Laurent Bourgouin, Lutz Gross
Modelling Deforming Interfaces using Level Sets. July 9-11, 2008. Hans Mühlhaus, Laurent Bourgouin and Lutz Gross.
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Modeling Lithospheric Deformation with Faults
23 Mar 2021 | Workshops | Contributor(s): Mian Liu
Modeling Lithospheric Deformation with Faults. July 9-11, 2008. Mian Liu.
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Modeling Sources of Stress and Topography
23 Mar 2021 | Workshops | Contributor(s): C. Lithgow-Bertelloni, J. Naliboff, C. Conrad, N. de Koker
Modeling Sources of Stress and Topography. July 9-11, 2008. C.Lithgow-Bertelloni, J. Naliboff, C. Conrad and N. de Koker.
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Mantle Convection, Plate Boundaries and Plasticity
23 Mar 2021 | Workshops | Contributor(s): Dave May, Louis Moresi, Hans Muhlhaus, Mirko Velic, Wendy Sharples, Dave Stegman
Mantle convection, plate boundaries and plasticity. July 9-11, 2008. Dave May, Louis Moresi, Hans Mühlhaus, Mirko Velic, Wendy Sharples, Dave Stegman.
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Magmatism, Faulting, & Morphology of Mid-Ocean Ridges
23 Mar 2021 | Workshops | Contributor(s): Garrett Ito, Mark Behn
Magmatism, Faulting, & Morphology of Mid-Ocean Ridges. July 9-11, 2008. Garrett Ito, Mark Behn.
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Lagrangian Finite Element Methods
23 Mar 2021 | Workshops | Contributor(s): Boris Kaus
Lagrangian Finite Element Methods for modelling long-term tectonic processes. July 9-11, 2008. Boris Kaus.
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Interactive Visualization Tools for Large-Scale Dynamic Simulations
23 Mar 2021 | Workshops | Contributor(s): Oliver Kreylos
Interactive Visualization Tools for Large-Scale Dynamic Simulations. July 9-11, 2008. Oliver Kreylos.
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Implementing Surface Erosion Processes in Geodynamic Models
23 Mar 2021 | Workshops | Contributor(s): Sean Willett, Frederic Herman, Jean Braun
Implementing Surface Erosion Processes in Geodynamic Models. July 9-11, 2008. Sean Willett, Frederic Herman, Jean Braun.
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Grain size-dependent viscosity convection
23 Mar 2021 | Workshops | Contributor(s): Slava Solomatov
Grain size-dependent viscosity convection. July 9-11, 2008. Slava Solomatov.
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GPlates and Mantle Convection
23 Mar 2021 | Workshops | Contributor(s): Michael Gurnis
GPlates and Mantle Convection. July 9-11, 2008. Michael Gurnis.
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Gale
23 Mar 2021 | Workshops | Contributor(s): Walter Landry
Gale.July 9-11, 2008. Walter Landry.
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Exchanger
23 Mar 2021 | Workshops | Contributor(s): Eh Tan, Eun-seo Choi, Mike Gurnis, Puru Thoutireddy, Michael Aivazis
Exchanger - coupling multiple solvers for mantle convection. July 9-11, 2008. Eh Tan, Eun-seo Choi, Mike Gurnis, Puru Thoutireddy, Michael Aivazis.
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Data Assimilation Methods in Geodynamical Models
23 Mar 2021 | Workshops | Contributor(s): Alik Ismail-Zadeh, Gerald Schubert, Igor Tsepelev, Alex Korotkii
Data Assimilation Methods in Geodynamical Models. July 9-11, 2008. Alik Ismail-Zadeh, Gerald Schubert, Igor Tsepelev & Alex Korotkii.
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Convergent margins processes
23 Mar 2021 | Workshops | Contributor(s): E. Burov
Convergent margins processes. July 9-11, 2008. E. Burov.
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Chemical Heterogeneity - Tracers and Entrainment
23 Mar 2021 | Workshops | Contributor(s): Allen K. McNamara
Chemical Heterogeneity - Tracers and Entrainment. July 9-11, 2008.Allen K. McNamara.
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Anisotropic Convection
23 Mar 2021 | Workshops | Contributor(s): Einat Lev
Anisotropic Convection. July 9-11, 2008. Einat Lev.
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Adaptive Finite Element Methods For Geodynamics
23 Mar 2021 | Workshops | Contributor(s): J. Huw Davies
Adaptive Finite Element Methods For Geodynamics. July 9-11, 2008. J. Huw Davies.