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2023 PyLith Hackathon
02 Aug 2023 | Contributor(s): Brad Aagaard
Workshop report
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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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2020 Crustal Deformation Modeling Workshop Report
27 Jul 2022 | Contributor(s): Brad Aagaard, Sylvain Barbot, Brittany Erickson, Matthew Knepley, Mark Simons, Charles Williams
Workshop report
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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 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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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.
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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...
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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.
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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...
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LithoMop
22 Oct 2021 | Software: Download | Contributor(s): Charles A. Williams (primary-developer)
LithoMop is a finite element code for the solution of the visco-elastic/plastic deformation that was designed for lithospheric modeling problems.A newer version of LithoMop, called PyLith, has been released by CIG.
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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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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.
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FORCE11 Software Citation Principles
01 Apr 2021 | Workshops | Contributor(s): Lorraine Hwang
FORCE11 Software Citation Principles. September 18-22, 2017. Lorraine Hwang.
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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.
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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.
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3D Dynamic Rupture Simulations along Dipping Faults, with a focus on the Wasatch Fault Zone, Utah
01 Apr 2021 | Workshops | Contributor(s): Kyle Withers, Morgan Moschetti
3D Dynamic Rupture Simulations along Dipping Faults, with a focus on the Wasatch Fault Zone, Utah. September 18-22, 2017. Kyle Withers.
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Amplification of seismic waves in Nenana basin, central Alaska
01 Apr 2021 | Workshops | Contributor(s): Kyle Smith, Carl Tape
Amplification of seismic waves in Nenana basin, central Alaska. September 18-22, 2017. Kyle Smith, Carl Tape.
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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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Preliminary analysis of seismic anisotropy changes associated the Kaikoura earthquakes in New Zealand
26 Mar 2021 | Workshops | 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.
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Assessing variations in shear wave splitting measurement due to scattered waves using simulated waveforms
26 Mar 2021 | Workshops | Contributor(s): Kenny Graham, Martha K. Savage, Richard Arnold
Assessing variations in shear wave splitting measurement due to scattered waves using simulated waveforms. September 18-22, 2017. Kenny Graham, Martha K. Savage, Richard Arnold.
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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.
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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.
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3D Simulations of Earthquakes on Parallel Offset Faults with Homogeneous Stress Conditions
26 Mar 2021 | Workshops | Contributor(s): Kayla A. Kroll, Keith B. Richards-Dinger, James H. Dieterich, David D. Oglesby
3D Simulations of Earthquakes on Parallel Offset Faults with Homogeneous Stress Conditions. September 18-22, 2017. Kayla A. Kroll, Keith B. Richards-Dinger, James H. Dieterich, David D. Oglesby.
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Coseismic and postseismic velocity changes caused by the 2016 Mw 6.5 Meinong, Taiwan, Earthquake using Ambient Seismic Noise
26 Mar 2021 | Workshops | Contributor(s): Po-Chin Tseng, Ruey-Juin Rau, Tzu-Ying Huang, Yuan-Cheng Gung
Coseismic and postseismic velocity changes caused by the 2016 Mw 6.5 Meinong, Taiwan, Earthquake using Ambient Seismic Noise. September 18-22, 2017. Po-Chin Tseng, Ruey-Juin Rau, Tzu-Ying Huang, Yuan-Cheng Gung.
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Imaging the Alaskan subduction zone with joint inversion of ambient noise and teleseismic surface waves
26 Mar 2021 | Workshops | Contributor(s): Robert Martin-Short, Richard Allen, Robert Porritt
Imaging the Alaskan subduction zone with joint inversion of ambient noise and teleseismic surface waves. September 18-22, 2017. Robert Martin-Short, Richard Allen, Robert Porritt.
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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.
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Comparison of magmatic and amagmatic rift zone kinematics using full moment tensor inversions of regional earthquakes
26 Mar 2021 | Workshops | Contributor(s): Sarah J. Oliva, C.J. Ebinger, D. Shillington, J. Albaric, A. Deschamps, D. Keir, C. Drooff
Comparison of magmatic and amagmatic rift zone kinematics using full moment tensor inversions of regional earthquakes. September 18-22, 2017. Sarah J. Oliva, C.J. Ebinger, D. Shillington, J. Albaric, A. Deschamps, D. Keir, C. Drooff.
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Large-N array observations of injection-induced seismicity in northern Oklahoma: the LASSO experiment
26 Mar 2021 | Workshops | Contributor(s): Sara L. Dougherty, Elizabeth S. Cochran, Rebecca M. Harrington
Large-N array observations of injection-induced seismicity in northern Oklahoma: the LASSO experiment.September 18-22, 2017. Sara L. Dougherty, Elizabeth S. Cochran, and Rebecca M. Harrington.
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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.
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Detecting and Characterizing Activity on Land and at Sea
26 Mar 2021 | Workshops | Contributor(s): Gabrielle Tepp
Detecting and Characterizing Activity on Land and at Sea. September 18-22, 2017. Gabrielle Tepp.
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Improving infrasonic location estimates for underground nuclear explosions
26 Mar 2021 | Workshops | Contributor(s): Fransiska Dannemann, Philip Blom, Junghyun Park, Omar Marcillo, Brian Stump, Il-Young Che
Improving infrasonic location estimates for underground nuclear explosions. September 18-22, 2017. Fransiska K Dannemann, Philip Blom, Junghyun Park, Omar Marcillo, Brian Stump, Il-Young Che.
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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.
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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.
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High-resolution seismic velocity structure of Makushin Volcano, Alaska
26 Mar 2021 | Workshops | Contributor(s): Federica Lanza, Clifford Thurber, Ellen Syracuse, Abhijit Ghosh, John Power
High-resolution seismic velocity structure of Makushin Volcano, Alaska. September 18-22, 2019. Federica Lanza, Clifford H. Thurber, Ellen M. Syracuse, Abhijit Ghosh, John Power.
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A Framework of Ground Truth Event Locations Across Iran from a Two Tiered Multi-Event Relocation Approach
26 Mar 2021 | Workshops | Contributor(s): Ezgi Karasozen, Eric Bergman, Edwin Nissen
A Framework of Ground Truth Event Locations Across Iran from a Two Tiered Multi-Event Relocation Approach. September 18-22, 2017. Ezgi Karasozen, Eric Bergman, Edwin Nissen.
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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.
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Characteristics of Broadband Seismic Noise in Taiwan
26 Mar 2021 | Workshops | Contributor(s): Ching-Wei Chen, Ruey-Juin Rau
Characteristics of Broadband Seismic Noise in Taiwan. September 18-22, 2017. Ching-Wei Chen, Ruey-Juin Rau.
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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.
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Broadband 3D SW4 Simulations of an M 7.0 Hayward Fault Scenario Earthquake
26 Mar 2021 | Workshops | Contributor(s): Arthur Rodgers, Anders Petersson, Arben Pitarka, Bjorn Sjogreen, David McCallen
Broadband 3D SW4 Simulations of an M 7.0 Hayward Fault Scenario Earthquake. September 18-22, 2017. Artie Rogers, N. Anders Petersson, Arben Pitarka, and Bjorn Sjogreen, David B. McCallen.