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 Earth Surface And Interior: People
Margaret (Maggi)  Glasscoe's Picture
Jet Propulsion Laboratory
M/S 300-323
4800 Oak Grove Drive
Pasadena, CA 91109
Curriculum Vitae:

Margaret (Maggi) Glasscoe

Maggi Glasscoe is a Geophysicist in the Earth Surface and Interior Group at the Jet Propulsion Laboratory, California Institute of Technology. She has experience working with a number of elastic and viscoelastic simulation software and modeling geodetic data. Her expertise includes disaster response and decision support systems, modeling deformation of the Earth's crust to study postseismic response to large earthquakes, numerical models of the rheological behavior of the crust, and simulations and analysis of interacting fault systems. She works as a Center Coordinator for the NASA Disasters Program and is a member of the JPL NISAR Project Science Team.

  • BS, Geological Sciences, University of Southern California, Magna Cum Laude (1997)
  • BA, Print Journalism, University of Southern California, Magna Cum Laude (1997)
  • MS, Geology, University of California, Davis (2003)
  • PhD, Geology, University of California, Davis (2015)

Research Interests
  • Crust-mantle interaction in southern California
  • Block rotations of southern California crust and the development of the LA Basin
  • Deformation in southern California and driving mechanisms
  • Statistical analysis of earthquake occurrence
  • Numerical methods and modeling
  • Crustal rheology
  • Long-term post seismic deformation and evolution of stress and strain following large earthquakes
  • Earthquake decision support and disaster response


NASA-ISRO Synthetic Aperture Radar, or NISAR, is a satellite radar mission run jointly by NASA and the Indian Space Research Organization (ISRO) that will survey Earth’s changing ecosystems, dynamic surface, and ice masses.

E-DECIDER is decision support system producing remote sensing and geophysical modeling products relevant to emergency preparedness and response communities and serves as a gateway delivering actionable information to these communities.

GeoGateway Icon GeoGateway
GeoGateway is a data product search and analysis gateway for scientific discovery, field use, and disaster response. GeoGateway focuses on NASA geodetic imaging products from InSAR and GPS integrated with earthquake faults datasets, seismicity, and ...

Professional Experience
  • Jet Propulsion Laboratory (1996-present)
    • Science Researcher (Geophysicist), Terrestrial Science/Solid Earth/Earth Surface and Interior Group (2004 - present)
    • Member of Technical Staff, Data Understanding Systems Group (2000-2004)
    • Research Assistant, Satellite Geodesy and Geodynamics Systems Group (1996-2000)

Selected Awards
  • JPL Voyager Award: Nepal Multihazard Risk Assessment (2015)
  • NASA Group Achievement Award: Nepal Earthquake Response (2015)
  • JPL Discovery Award: E-DECIDER (2013)
  • JPL SPOT Award: Earth Science Engagement and Outreach (2010)
  • NASA Board Act Award: GeoFEST v. 4.8 (2008)
  • JPL Outstanding Accomplishment Award: InSAR Workshop Report (2006)
  • JPL Team Bonus Award: QuakeSim Parallel GeoFEST Development Team (2004)
  • NASA Graduate Student Research Program Fellowship (1999-2000, 2000-2001, 2001-2002)
  • Sigma Xi Grants in aid of Research Award (June 2000)
  • NSF Graduate Research Fellowship Honorable Mention (1998)
  • Southern California Earthquake Center Community Outreach Award (Education) (1998)
  • JPL Notable Organizational Value Added (NOVA) Award, Jet Propulsion Laboratory (1997, 1998)

Selected Publications
  1. Glasscoe, M.T., Parker, J.W., Wang, J., Pierce, M.E., Yoder, M.R., Eguchi, R.T., Huyck, C.K., Hu, Z., Bevington, J., Ghosh, S., Gill, S., Chen, Z., Rosinski, A., E-DECIDER Decision Support Tools for Disaster Response, in Applied Geology in California, Anderson, B., Ferriz, H. and Hitchcock, C., eds., Star Publishing, Redwood City, CA, Association of Environmental and Engineering Geologists Special Publication no. 26, in press.
  2. Glasscoe, M.T., Wang, J., Pierce, M.E., Yoder, M.R., Parker, J.W., Burl, M.C., Stough, T.M., Granat. R.A., Donnellan, A., Rundle, J.B., Ma, Y., Bawden, G.W. and Yuen, K., 2015, E-DECIDER: Using Earth Science Data and Modeling Tools to Develop Decision Support for Earthquake Disaster Response, Pure and Applied Geophysics, v. 172, pp. 2305–2324, doi: 10.1007/s00024-014-0824-9.
  3. Glasscoe, M.T., 2015, Applications of Fault Modeling and Remote Sensing for Hazard Analysis, Decision Support and Disaster Response, Doctoral dissertation, University of California, Davis.
  4. Glasscoe, M.T., Granat, R.A., Rundle, J.B., Rundle, P.B., Donnellan, A., and Kellogg, L.H., 2009, Analysis of emergent fault element behavior in Virtual California, Concurrency and Computation: Practice and Experience, DOI: 10.1002/cpe.1546.
  5. Glasscoe, M.T., Donnellan, A., Kellogg, L.H., and Lyzenga, G.A., 2004, Evidence of strain partitioning between the Sierra Madre fault and the Los Angeles Basin, southern California from numerical models, Pure and Applied Geophysics, v. 161, pp. 2343-2357.
  6. Glasscoe, M.T., 2003, Assessing upper crustal rheology using numerical and theoretical models, Master’s thesis, University of California, Davis.
  7. Glasscoe, M.T., Kellogg, L.H., Lyzenga, G.A., and Donnellan, A., 2002, Fault interaction in the Los Angeles Basin and Transverse Ranges, southern California, from elastic half-space and viscoelastic finite element models, Proceedings from 2002 International ACES Meeting, Maui, HI, 5-10 May (
  8. Donnellan, A., Parker, J.W., Glasscoe, M., De Jong, E., Pierce, M., Fox, J., McLeod, D., Rundle, J., Grant Ludwig, L. 2012, A Distributed Approach to Computational Earthquake Science: Opportunities and Challenges, Computing in Science and Engineering, 14, 31-42.
  9. Donnellan, A., Rundle, J., Fox, G.,T., Pierce, M., Parker, J., Lyzenga, G., Granat, R. Glasscoe, M., 2005, QuakeSim and the Solid Earth Research Virtual Observatory, Pure and Applied Geophysics, v. 163, pp. 2263-2279.
  10. Donnellan, A., Glasscoe, M., and Zebker, H., 2005, Community InSAR Workshop calls for robust program and dedicated satellite mission, EOS Transactions AGU, v. 86, n. 8, p. 79.
  11. Parker, J., Donnellan, A., Glasscoe, M., Fox, G., Wang, J., Pierce, M., and Ma, Y., 2015, Advantages to Geoscience and Disaster Response from QuakeSim Implementation of Interferometric Radar Maps in a GIS Database System, Pure and Applied Geophysics, v. 172, pp. 2295-2304, doi: 10.1007/s00024-014-0886-8.
  12. Parker, J., Lyzenga, G., Norton, C., Zuffada, C., Glasscoe, M., Lou, J., and Donnellan, A., 2008, Geophysical Finite Element Simulation tool (GeoFEST): algorithms and validation for quasistatic regional faulted crust problems, Pure and Applied Geophysics, v. 165, pp. 497-521.
  13. Turcotte, D.L. and Glasscoe, M.T., 2004, A damage model for the continuum rheology of the upper continental crust, Tectonophysics, 383, 71-80.
  14. Wang, J., Pierce, M.E., Ma, Y., Fox, G.C., Donnellan, A. Parker, J.W., and Glasscoe, M., 2012, Using Service-Based Geographical Information System to Support Earthquake Research and Disaster Response, Computing in Science and Engineering, 14, 21-30.
  15. Yoder, M.R., Rundle, J.B. and Glasscoe, M.T., 2015, Near-Field ETAS Constraints and Applications to Seismic Hazard Assessment, Pure and Applied Geophysics, v. 172, pp. 2277-2293, doi: 10.1007/s00024-014-0785-z.

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