• Home
• People
• Research
• ORCID
• Google Scholar
• Courses
• CV
• Contact

Research Interests

Processes that deform the solid earth including those associated with the seismic cycle, migration of magma and water in the subsurface, tides, and glacial rebound; Tectonics and the relationship between short and long time scale processes; Glaciology, particularly basal mechanics and ice rheology; Ocean world tectonics and geodynamics, particularly Enceladus; Tools and applications using space geodesy, particularly GNSS, Interferometric SAR and gravity measurements.

News and Accolades

• NISAR is producing great data!

• The Brinson Exploration Hub is in its 2nd year.

• Dr. Tobias Koehne graduated and started at as a Staff Researcher at DLR in Oberpfaffenhofen, Germany.

• Dr. Yuan-Kai Liu graduated and started at as a Postdoctoral Scholar at Stanford University.

Recent Papers

• Exploring the Interior Structure and Mode of Tidal Heating in Enceladus, A. Bagheri et al., Plan. Sci. J., doi:10.3847/PSJ/ae0cab, 2025.

• Inferring Tectonic Plate Rotations From InSAR Time Series, Y.-K. Liu et al., Geophys. Res. Lett., doi:10.1029/2025GL115137, 2025.

• Integrating long‐term InSAR monitoring into local groundwater management: Insights from the Hollywood Basin, California, Y. Zheng and M. Simons, Water Resources Res., doi:e2024WR039161, 2025.

• Geodetic Insights to the Himalayan Megathrust Kinematics Unravel Increased Earthquake Hazard, K. M. Sreejith et al., Geophys. Res. Lett., doi:10.1029/2025GL118555, 2025.

• The NASA-ISRO SAR Mission: A summary, P. Rosen et al., IEEE Geosci. Rem. Sens. Mag., doi:10.1109/MGRS.2025.3578258, 2025.

• Thermal asymmetry in the Moon’s mantle inferred from monthly tidal response, R.S. Park et al., Nature, doi:10.1038/s41586-025-08949-5, 2025.

• Limits on inferring an effective lithospheric rheology from geodetic observations of the earthquake cycle, R. Mallick and M. Simons, Earth Plan. Space, doi:10.1186/s40623-025-02188-8, 2025.

• Gravity Imaging Radio Observer (GIRO) for Planetary Science and Mission Opportunities, R.S. Park et al., Plan. Sci. J., doi:10.3847/psj/adceea, 2025.

• Probabilistic estimation of rheological properties in subduction zones using sequences of earthquakes and aseismic slip, T. Kohne et al., Earth Plan. Space, doi:10.1186/s40623-024-02121-5, 2025.