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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 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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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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CIG-Magma Workshop Schedule
01 Apr 2021 | Workshops | Contributor(s): Staff
CIG-Magma Workshop Schedule. August 18-19, 2006.
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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.
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Source Analysis of Underground Chemical Explosions from the Source Physics Experiment
26 Mar 2021 | Workshops | Contributor(s): Andrea Chiang, Arben Pitarka, Sean Ford
Source Analysis of Underground Chemical Explosions from the Source Physics Experiment. September 18-22, 2017. Andrea Chiang, Arben Pitarka, Sean Ford.
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Microseismic event relocation based on PageRank linkage at the Newberry Volcano Geothermal Site
26 Mar 2021 | Workshops | Contributor(s): Ana Aguiar, Stephen Myers
Microseismic event relocation based on PageRank linkage at the Newberry Volcano Geothermal Site. September 18-22, 2017. Ana C. Aguiar, Stephen C. Myers.
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Global Full-Waveform Inversion: Towards Exascale Imaging of the Earth's Interior
26 Mar 2021 | Workshops | Contributor(s): Ebru Bozdag
Global Full-Waveform Inversion: Towards Exascale Imaging of the Earth's Interior. September 18-22, 2017. Ebru Bozdag.
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Simulating seismic wave propagation with SW4
26 Mar 2021 | Workshops | Contributor(s): Anders Petersson
Simulating seismic wave propagation with SW4. September 18-22, 2017. N. Anders Petersson.
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Fundamentals of numerical methods
26 Mar 2021 | Workshops | Contributor(s): Carene Larmat
Fundamentals of numerical methods. September 18-22, 2017. Carene Larmat.
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2019 The Release of the GEM Global Active Faults Database and Global Seismic Hazard Map
04 Feb 2021 | Webinars | Contributor(s): Richard Styron
In late 2018, the Global Earthquake Model Foundation (GEM) released the initial version of several major products relating to seismic hazard and risk, including the Global Seismic Hazard Map, the Global Seismic Risk Map, and the Global Active Faults Database. Though these are intended primarily...
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2019 HeFESTO: A tool for exploring Earth's physical properties and their effects on mantle dynamics
04 Feb 2021 | Webinars | Contributor(s): Carolina Lithgow-Bertelloni, Lars Stixrude
The minerals that exist at the extreme pressure and temperature conditions of the mantle and their physical properties determine the dynamics of the mantle. Both are also critical for comparison with seismic observations that put constraints on our knowledge of mantle structure and...
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2019 Introduction to Quagmire
04 Feb 2021 | Webinars | Contributor(s): Louis Moresi, Ben Mather, Romain Beucher
Quagmire is an open source, parallel python module for modelling surface processes and landscape evolution. It comes from the Underworld geodynamics group and has many common design patterns to Underworld. For starters, this is not an out-of-the-box landscape evolution code — it is instead...
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2018 Introduction to thermal-mechanical lithosphere models with surface processes
04 Feb 2021 | Webinars | Contributor(s): Louis Moresi, Romain Beucher
Surface processes including erosion, transport and sedimentation have the potential to strongly influence crustal and lithospheric deformation whether passively, through isostatic response, or more actively by affecting the thermal structure, the potential energy field, and / or the local stress...
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2018 Pythonic Geodynamics
04 Feb 2021 | Webinars | Contributor(s): Gabriele Morra, David A. Yuen, Sang-Mook Lee
Students and young researchers who want to learn to use computational tools for geodynamic modeling have the option to choose among a wide range of numerical tools. I will show how Python and its libraries represent an easy-to-use platform for self-learning, with performance close to compiled...
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2017 Geodynamic modeling with staggered finite differences and marker in cell: theory, teaching and examples
04 Feb 2021 | Webinars | Contributor(s): Taras Gerya
Numerical modeling of geodynamic processes is an essential approach in both science and industry with ever- growing demand and high efficiency/cost ratio. Current trend in geodynamic modeling is to develop universal approaches with potentially unlimited number of applications. One simple...
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2017 Introduction to the spectral-infinite-element method
04 Feb 2021 | Webinars | Contributor(s): Hom Nath Gharti, Jeroen Tromp
The governing equations for the elastic-gravitational deformation of an Earth model involve a perturbed gravitational potential. The gravitational potential is governed by Poisson’s equation inside the Earth and by Laplace’s equation in the rest of space. The infinite domain...