William E. Holt
Stony Brook University
Professor
Expertise: Crustal deformation and geodynamics; joint GNSS–InSAR inversion for steady-state and transient strain; seasonal and hydrologic loading; lithosphere–mantle dynamics and geodynamic evolution of western North America.
About Me
Publications
No bio available.
SCEC Participation
SCEC Proposal Review Committee, Member (2024 - Present)Tymofyeyeva, E., Floyd, M., Materna, K., Liu, Z., Shen, Z., Funning, G. J., Zebker, M., Fielding, E. J., Vashishtha, M., & Holt, W. E. (2026, 08). Integrating Community Research into a Consensus Geodetic Model: A Community Velocity Field Exercise for the SCEC Community Geodetic Model (CGM). Poster Presentation at 2026 SCEC Annual Meeting. SCEC Contribution 15588
Vashishtha, M., Holt, W. E., & Kim, J. (2026, 08). Depth-Dependent Crustal Deformation from a Physics-Based Joint Inversion of GNSS and InSAR in Southern California. Poster Presentation at 2026 SCEC Annual Meeting. SCEC Contribution 15580
Kim, J., Vashishtha, M., Holt, W. E., Murray, K. D., & Lohman, R. B. (2026). A Joint Inversion Algorithm of GNSS and InSAR for Continuous 3‐D Surface Velocities and Associated Horizontal Strain Rate Field. Geochemistry, Geophysics, Geosystems, 27(3). https://doi.org/10.1029/2025GC012682. SCEC Contribution 15040
Vashishtha, M., Holt, W. E., & Kim, J. (2025, 09). Insights and Emerging Directions from Force-Balance Based Joint Inversion of GNSS and InSAR. Poster Presentation at 2025 SCEC Annual Meeting. SCEC Contribution 14828
Vashishtha, M., Kim, J., & Holt, W. E. (2024, 09). Southern California 3-D Velocity and Strain Rate Field from Joint Inversion of GNSS and InSAR Data. Poster Presentation at 2024 SCEC Annual Meeting. SCEC Contribution 13921
Vashishtha, M., Kim, J., & Holt, W. E. (2023, 09). Joint Inversion of GNSS and InSAR Data for Continuous 3-D Velocity and Strain Rate Fields in Southern California. Poster Presentation at 2023 SCEC Annual Meeting. SCEC Contribution 13235
Sui, S., Shen, W., Kim, J., & Holt, W. E. (2023, 09). Crustal architecture across Southern California and its implications on San Andreas Fault development. Poster Presentation at 2023 SCEC Annual Meeting. SCEC Contribution 12966
Holt, W. E., Kim, J., & Vashishtha, M. (2022, 09). Joint Inversion of GNSS and InSAR Data for Continuous 3-D Velocity and Strain Rate Fields in Southern California. Poster Presentation at 2022 SCEC Annual Meeting. SCEC Contribution 12549
Campbell, L., Sui, S., Bahadori, A., Shen, W., & Holt, W. E. (2022, 09). Instantaneous stress state of the lithosphere of Southern California: A synthesis of geophysical and compositional products of SCEC. Poster Presentation at 2022 SCEC Annual Meeting. SCEC Contribution 12488
Sui, S., Shen, W., Holt, W. E., & Kim, J. (2022, 09). A correlation between the crystalline crust Vp/Vs and strain rates in Southern California and its implication on the fault system formation. Poster Presentation at 2022 SCEC Annual Meeting. SCEC Contribution 12451
Kim, J., Holt, W. E., Bahadori, A., & Shen, W. (2021). Repeating Nontectonic Seasonal Stress Changes and a Possible Triggering Mechanism of the 2019 Ridgecrest Earthquake Sequence in California. Journal of Geophysical Research: Solid Earth, 126(10). https://doi.org/10.1029/2021JB022188. SCEC Contribution 11753
Kim, J., Bahadori, A., & Holt, W. E. (2021). Crustal Strain Patterns Associated With Normal, Drought, and Heavy Precipitation Years in California. Journal of Geophysical Research: Solid Earth, 126(1). https://doi.org/10.1029/2020JB019560. SCEC Contribution 11752
Shen, W., Sui, S., Bahadori, A., Holt, W. E., Kim, J., & Campbell, L. (2021, 08). A 3-D crustal compositional model of S. California and its implications on the instantaneous stress state of the lithosphere. Poster Presentation at 2021 SCEC Annual Meeting. SCEC Contribution 11633
Kim, J., Bahadori, A., & Holt, W. E. (2020, 08). Preseismic and Post-seismic Transient Strain Anomaly Patterns Before and After the 2019 Ridgecrest Earthquake Sequence . Poster Presentation at 2020 SCEC Annual Meeting. SCEC Contribution 10763
Montesi, L. G., Izquierdo, K., Allison, K. L., Holt, W. E., Bahadori, A., Hirth, G., Shinevar, W., & Oskin, M. E. (2019, 08). Rheology of Southern California from Mineral to Regional Scale. Oral Presentation at 2019 SCEC Annual Meeting. SCEC Contribution 9735
Izquierdo, K. D., Montesi, L. G., Holt, W. E., Bahadori, A., & Shinevar, W. (2019, 08). How certain are regional strength envelopes in Southern California?. Poster Presentation at 2019 SCEC Annual Meeting. SCEC Contribution 9702
Bahadori, A., & Holt, W. E. (2019). Geodynamic evolution of southwestern North America since the Late Eocene. Nature Communications, 10(1). https://doi.org/ 10.1038/s41467-019-12950-8. SCEC Contribution 11755
Bahadori, A., Holt, W. E., Kim, J., Rasbury, T., Shen, W., & Grossman, J. (2018, 08). The role of rheological evolution on active deformation of Southwestern North America within the Pacific-North America Plate Boundary Zone since the Oligocene. Poster Presentation at 2018 SCEC Annual Meeting. SCEC Contribution 8747
Holt, W. E., Montesi, L. G., & Bahadori, A. (2018, 08). Lithosphere Viscosity Variations in Southern California. Poster Presentation at 2018 SCEC Annual Meeting. SCEC Contribution 8736
Kim, J., Bahadori, A., & Holt, W. E. (2018, 08). Monitoring Seasonally-Driven Stress Changes on Faults within the Plate Boundary Zone in California using cGPS Observations. Poster Presentation at 2018 SCEC Annual Meeting. SCEC Contribution 8733
Kraner, M. L., Holt, W. E., & Borsa, A. A. (2018). Seasonal Nontectonic Loading Inferred From cGPS as a Potential Trigger for the M6.0 South Napa Earthquake. Journal of Geophysical Research: Solid Earth, 123(6), 5300-5322. https://doi.org/10.1029/2017JB015420. SCEC Contribution 8021
Bahadori, A., Holt, W. E., & Rasbury, E. (2018). Reconstruction modeling of crustal thickness and paleotopography of western North America since 36 Ma. Geosphere, 14(3), 1207-1231. https://doi.org/10.1130/GES01604.1. SCEC Contribution 8019
Bahadori, A., Kim, J., Kraner, M. L., & Holt, W. E. (2017, 08). Ten Years of Seasonally Modulated Strain History in Southern California Inferred from cGPS Data. Poster Presentation at 2017 SCEC Annual Meeting. SCEC Contribution 7823
Last updated Aug 10, 2026.
