Geoffrey Ely | GitHub | LinkedIn

SAF Simulation


I am a software developer and research scientist, specializing in computational and geosciences.


2018-2020: Owner
Elygeo Consulting,
Geoscience research and software development.

2017-2020: Computational Seismologist
Temblor, Inc.,
Developed seismic risk models and applications.

2011-2014: Postdoctoral Appointee
Leadership Computing Facility, Argonne National Laboratory.
Built and applied earthquake simulation and visualization software for HPC systems.

2008-2011: Postdoctoral Research Associate
Department of Earth Sciences, University of Southern California.

2000-2007: Graduate Research Assistant
Institute of Geophysics and Planetary Physics, University of California San Diego.

1997-2000: Graduate Research Assistant
Department of Geology, San Diego State University.


2008: Doctor of Philosophy
Earth Sciences, University of California San Diego.

2001: Master of Science
Geological Sciences, San Diego State University.

1996: Bachelor of Science
Geophysics, University of California Santa Barbara.


Archuleta+7-1997Archuleta, R., C. Nicholson, J. Steidl, L. Gurrola, C. Alex, E. Cochran, G. Ely, and T. Tyler. 1997. “Initial Source and Site Characterization Studies for the U.C. Santa Barbara Campus.” Lawrence Livermore National Laboratory Report UCRL-ID-129196. Lawrence Livermore National Laboratory. ⇩PDF
Bielak+12-2009Bielak, J., R. Graves, K. Olsen, R. Toborda, L. Ramírez-Guzmán, S. Day, G. Ely, et al. 2009. “The ShakeOut Earthquake Scenario: Verification of Three Simulation Sets.” Geophys. J. Int. 180 (1): 375–404. ⇩PDF
Cui+12-2010Cui, Y., K. Olsen, T. Jordan, K. Lee, J. Zhou, P. Small, D. Roten, et al. 2010. “Scalable Earthquake Simulation on Petascale Supercomputers.” In IEEE International Conference for High Performance Computing, Networking, Storage and Analysis (SC). ⇩PDF
Day+Ely-2002Day, S., and G. Ely. 2002. “Effect of a Shallow Weak Zone on Fault Rupture: Numerical Simulation of Scale-Model Experiments.” Bull. Seism. Soc. Am. 92 (8): 3022–41. ⇩PDF
SOM-Ely+2-2008Ely, G., S. Day, and J.-B. Minster. 2008. “A Support-Operator Method for Visco-Elastic Wave Modeling in 3d Heterogeneous Media.” Geophys. J. Int. 172 (1): 331–44. ⇩PDF
SORD-Ely+2-2009Ely, G., S. Day, and J.-B. Minster. 2009. “A Support-Operator Method for 3d Rupture Dynamics.” Geophys. J. Int. 177 (3): 1140–50. ⇩PDF
SAF-Ely+2-2010Ely, G., S. Day, and J.-B. Minster. 2010. “Dynamic Rupture Models for the Southern San Andreas Fault.” Bull. Seism. Soc. Am. 100 (1): 131–50. ⇩PDF
Vs30GTL-Ely+4-2016Ely, G., P. Small, T. Jordan, P. Maechling, and F. Wang. 2016. “A VS30-Derived Near-Surface Seismic Velocity Model.” In Preperation.
Thesis-Ely-2001Ely, G. 2001. “Simulating the Effect of a Shallow Weak Zone on Near-Source Ground Motion.” Master’s thesis, San Diego State University.
Dissertation-Ely-2008Ely, G. 2008. “A Method for Dynamic Earthquake Rupture Simulation with Applications to a Large Southern San Andreas Scenario.” PhD thesis, University of California, San Diego. ⇩PDF
Harris+22-2009Harris, R., M. Barall, R. Archuleta, E. Dunham, B. Aagaard, J. Ampuero, H. Bhat, et al. 2009. “The SCEC/USGS Dynamic Earthquake Rupture Code Verification Exercise.” Seism. Res. Lett. 80 (1): 119–26. ⇩PDF
Olsen+Ely-2009Olsen, K., and G. Ely. 2009. “WebSims: A Web-Based System for Storage, Visualization, and Dissemination of Earthquake Ground Motion Simulations.” Seism. Res. Lett. 80 (6): 1002–7. ⇩PDF
Rollins+2-2015Rollins, C., G. Ely, and T. Jordan. 2015. “Coulomb Stress Changes Imparted by Simulated M>7 Earthquakes to Major Fault Surfaces in Southern California.” In Preperation.
Shaw+16-2015Shaw, J., A. Plesch, C. Tape, M. Suess, T. Jordan, G. Ely, E. Hauksson, et al. 2015. “Unified Structural Representation of the Southern California Crust and Upper Mantle.” Earth Planet. Sc. Lett. 415 (0): 1–15. ⇩PDF
Small+8-2017Small, P., D. Gill, P. Maechling, R. Toborda, S. Callaghan, T. Jordan, K. Olsen, G. Ely, and C. Goulet. 2017. “The SCEC Unified Community Velocity Model Software Framework.” Seism. Res. Lett. 88 (6): 1539–52. ⇩PDF

Selected Presentations

SSA-Ely+13-2010Ely, G., T. Jordan, P. Maechling, K. Olsen, S. Day, J.-B. Minster, R. Graves, et al. 2010. “The Big Ten Earthquake Scenarios for Southern California.” presented at the SSA annual meeting, Portland, OR. ⇩PDF
AGU-Ely+2-2007Ely, G., S. Day, and J.-B. Minster. 2007. “Verification of SORD, and Application to the TeraShake Scenario.” presented at the AGU Fall Meeting, San Francisco, CA. Awarded Outstanding Student Paper, Earth and Space Science Informatics Focus Group. ⇩PDF
Ely, G., S. Day, and J.-B. Minster. 2008. “A Support-Operator Method for Dynamic Earthquake Rupture Simulation.” presented at the 6th ACES International Workshop, Cairns, AUS.
IGPP-Ely+4-2001Ely, G., S. Day, J.-B. Minster, C. Bradley, and K. Olsen. 2001. “Dynamic Modeling of Earthquake Sources.” presented at the IGPP 20th Anniversary Symposium, Los Alamos National Laboratory, NM. ⇩PDF
AGU-Ely+6-2003Ely, G., Q. Xin, M. Faerman, S. Day, J.-B. Minster, G. Kremenek, and R. Moore. 2003. “Earthquake Source Simulations: A Coupled Numerical Method and Large Scale Simulations.” presented at the AGU Fall Meeting, San Francisco, CA. ⇩PDF
ShakeOut-Ely+Graves-2008Ely, G., and R. Graves. 2008. Visualization of The ShakeOut Earthquake Scenario Simulation. ⇩QuickTime
SCEC-Ely+Olsen-2008Ely, G., and K. Olsen. 2008. “WebSims: A Python-Based Web Application for Storing, Exploring and Disseminating 4d Earthquake Simulation Data.” presented at the SCEC Annual Meeting, Palm Springs, CA. ⇩PDF
SDSC-Ely-2007Ely, G. 2007. “Large Scale Dynamic Earthquake Simulations.” presented at the San Diego Supercomputer Center Summer Institute “Reducing Your Time To Solution,” La Jolla, CA.
UJNR-Ely-2008Ely, G. 2008. “Large-Scale Dynamic Earthquake Rupture Simulations for Southern California.” In 7th U.S. / Japan Natural Resources (UJNR) Panel on Earthquake Research; Abstract Volume and Technical Program, edited by S. Detweiler and W. Ellsworth. U.S. Geological Survey Open-File Report 2008-1335.
Ely, G. 2013. “The SORD Code for Rupture Dynamics.” presented at the SIAM Conference on Computational Science and Engineering, Boston, MA.
Perry+13-2008Perry, S., D. Cox, L. Jones, R. Bernknopf, J. Goltz, K. Hudnut, D. Mileti, et al. 2008. “The ShakeOut Earthquake Scenario; a Story That Southern Californians Are Writing.” U.S. Geological Survey Circular 1324 and California Geological Survey Special Report 207. Cover image by G. Ely. ⇩PDF
Tooby-2004Tooby, P. 2004. “TeraShake: Simulating the ‘Big One’ on the San Andreas Fault.” San Diego Supercomputer Center Envision Magazine, Special Issue for Sc2004, 2004. Cover image by G. Ely. ⇩PDF