SUMANT JHA

Senior Research Scientist specializing in geophysical data science and large-scale data engineering. Expertise in designing reproducible systems and processing real-time data streams to deliver actionable insights. Proficient in Python, geospatial analytics, AWS cloud, and Linux systems, with a strong track record of cross-disciplinary collaboration.

• McGuire, J.J., Ulberg, C.W., Jha, S. et al., 2025, ShakeAlert Version 3: Expected Performance in Large Earthquakes., Bulletin of the Seismological Society of America, 115, 2, 533–561, https://doi.org/10.1785/0120240189
• Jha, S., Harry, D. L., Wenman, C. P., & Mayle, M., 2022, Flexural subsidence around Ross Island, West Antarctica., Geochemistry, Geophysics, Geosystems, 23, e2021GC010181
• Wenman, C. P., Harry, D. L., and Jha, S., 2020, Post middle Miocene tectonomagmatic and stratigraphic evolution of the Victoria Land Basin, West Antarctica., Geochemistry, Geophysics, Geosystems, 21, e2019GC008568, https://doi.org/10.1029/2019GC008568
• Harry, D.L., Anoka, J.L, and Jha, S., 2018, Geodynamic models of the West Antarctic Rift System: Implications for the mantle thermal state., Geosphere, 14, 6, 2407-2429
• Jha, S., Harry, D.L., and Schutt, D.L., 2017, Toolbox for Analysis of Flexural Isostasy (TAFI)—A MATLAB toolbox for modeling flexural deformation of the lithosphere., Geosphere, 13, 5, 1–11

• Saunders, J. K., Böse, M., Ulberg, C.W., Bunn, J., Dybing, S., Lux, A., Ceylan, S., Murray, J.R., McGuire, J. J., Felizardo, C., Jha, S., and Crowell, B., 2025, Retrospective analysis of ShakeAlert performance during the 2023 Kahramanmaraş earthquake sequence, Türkiye., American Geophysical Union, Fall Meeting, submitted
• Smith, D., McGuire, J. J., Jha S., Lux, A., 2025, Shakealert earthquake early warning: testing new Vs30 with population weighted values, new EPIC with Bayesian priors, and FinDER triggering with CE stations., Seismological Society of America Annual Meeting, Baltimore, Maryland, April 14-18
• Ramachandran, R., Peng, G., Bagwell, S., Marouane, A., Jha, S., and Christman, J., 2023, Modern Scientific Data Governance Framework., EGU General Assembly, Vienna, Austria, 24–28 Apr 2023
• Jha, S., Ayers, S., French, J., Tran, J., Bugbee, K., Barciauskas, A., Mandel, A., Kaulfus, A.S., Adhikari, S., Daniels, C. and That, D.H.T., 2022, Empowering Infrastructures to Enable Open Science: The Multi-Mission Algorithm and Analysis Platform (MAAP) Data System., AGU 2022 Fall Meeting
• Molaro et al., 2022, Testing Accessibility Accommodation for Disabled or Mixed-Ability Crews Operating in Space-like Environments., 53rd Lunar and Planetary Science Conference, Houston, Texas
• Jha, 2021, Audio-Visual Access in Geoscience Academia, Research, and Industry., Rift2Ridge workshop, Fort Collins, Colorado
• Jha, S., Harry, D. L., and Wenman, C., 2018, Estimating flexural rigidity and load magnitude required for the formation of Ross Island flexural moat., American Geophysical Union Meeting, Washington D.C., USA, T13F-0301
• Harry, D. L., Jha, S., and Wenman, C., 2018, Space-time variations in structural and magmatic styles of rifting in the Victoria Land Basin, West Antarctica., American Geophysical Union Meeting, Washington D.C., USA, T13F-0300
• Harry, D. L., and Jha, S., 2018, Geodynamic models favor passive rifting of the West Antarctic Rift System., Geological Society of America Abstracts with Programs, 50, 6, 10.1130/abs/2018AM-324840
• Jha, S., Harry, D. L., and Wenman, C., 2018, Lithospheric strength and partitioning of the load during flexure around Ross Island, West Antarctica., Geological Society of America Abstracts with Programs, 50, 6, 10.1130/abs/2018AM-324479
• Jha, S., Harry, D.L, and Schutt, D., 2016, Introduction to TAFI – A Matlab toolbox for analysis of flexural isostasy., American Geophysical Union Meeting, San Francisco, USA, T13A-2518
• Harry, D.L., and Jha, S., 2016, A Kinematic Model for Opening of the Gulf of Mexico between 169-150 Ma., American Geophysical Union Fall Meeting, San Francisco, USA
• Jha, S., Harry, D.L, and Schutt, D., 2016, Toolbox for Analysis of Flexural Isostasy (TAFI) – A Matlab toolbox for modeling flexural deformation of the lithosphere., GSA Annual Meeting, Denver, Colorado, USA
• Harry, D.L., and Jha, S., 2016, A Kinematic model for opening of the Gulf of Mexico between 169-150 Ma., GSA Annual Meeting, Denver, Colorado, USA
• Jha, S., Harry, D. L., and Wenman, C., 2015, Seismic stratigraphic mapping and evolution of the Ross Island flexural basin in Western Antarctica over the past ~5 Ma., International Symposium of Antarctic Earth Sciences 2015, Goa, India
• Jha, S., Harry, D. L., and Wenman, C., 2014, Correlating flexural moat subsidence with grounding line fluctuations around Ross Island, Antarctica., Eos, Transactions of the American Geophysical Union, Fall Meeting Supplement, 95, T53C-4695
• Wenman, C., Harry, D.L., and Jha, S., 2014, Seismic Stratigraphy of the Ross Island Flexural Basin, West Antarctica., Eos, Transactions of the American Geophysical Union, Fall Meeting Supplement, 95, T43C-4750
• Jha S., Wenman, C., and Harry, D.L., 2014, Axisymmetric flexure modeling of Ross Island basin subsidence, Ross Island, Antarctica., Geological Society of America Abstracts with Programs, 46, 6, 256
• Wenman, C., Harry, D.L., and Jha, S., 2014, Subsurface mapping of the Ross Island flexural basin, West Antarctica., Geological Society of America Abstracts with Programs, 46, 6, 256
• Jha, S., Witt, D.R., and Harry, D.L., 2013, Flexural rigidity around Ross Island, Antarctica based on geodynamic modeling and seismic stratigraphy., Eos, Transactions of the American Geophysical Union, Fall Meeting Supplement, 94, T13A-2518
• Jha, S., Witt, D.R., and Harry, D.L., 2013, Flexural subsidence around Mt. Erebus, Ross Island, Antarctica., Geological Society of America Abstracts with Programs, 45, 7, 427
• Bormann, J.M., Hammond, W.C., Kreemer, C., Blewitt, G., and Jha, S., 2013, A synoptic model of fault slip rates in the Eastern California Shear Zone and Walker Lane from GPS velocities for seismic hazard studies., Annual Meeting of the Seismological Society of America, Salt Lake City, Utah
• Hammond, W.C., Blewitt, G., Kreemer, C.W., Bormann, J., and Jha, S., 2010, Highlights of geodetic measurement of rifting of continental lithosphere in the Walker Lane, western Great Basin, United States., MARGINS Meeting
• Hammond, W.C., J. Bormann, S. Jha, C. Kreemer, G. Blewitt., 2010, Block models of Walker Lane and Great Basin tectonic deformation, slip rates and seismic cycle effects., SCEC Workshop on Incorporating Geodetic Surface Deformation Data into UCERF3, Pomona, CA, April 1-2, 2010
• Jha, S., Hammond, W.C., Kreemer, C., and Blewitt, G., 2009, New GPS constraints on Owens Valley fault slip rates., Eos, Transactions of the American Geophysical Union, Fall Meeting Supplement, 90, 52, G23D-07

• Nominated to the University Space Research Association Diversity, Equity, and Inclusion Committee for the fiscal years 2023-2025.
• Collaborated on Mission:AstroAccess to launch a diverse group of disabled scientists, veterans, students, athletes, and artists on a historic ZERO-G parabolic flight in 2021.
• Served as a Steering Committee Member for SciAccess with an active role in developing the network's strategic focus and activities.