Faculty

Hilary R. Martens
Assistant Professor
Office: CHCB 329/330Email: hilary.martens@umontana.edu
Office Hours:
TW 1-2 PM
Personal Website
Curriculum Vitae
Current Position
Assistant Professor in Geophysics
Courses
Spring 2021:
Geo 546: Seismology & Geodesy
Past:
Geo 107N: Natural Disasters | Spring 2018, Fall 2019, Spring 2019, Summer 2019, Fall 2019, Spring 2020, Fall 2020
Geo 224N: General Science: Physics and Geosciences | Fall 2020
Geo 439: Geophysics | Spring 2020
Geo 491: Undergraduate Research Methods | Spring 2020
Geo 492: Independent Study (GPS processing and analysis) | Fall 2020
Geo 582: Topics in Structure and Geophysics | Spring 2018
Geo 491: Introduction to Geophysics | Fall 2017
Geo 595: Special Topics, Geophysical Theory and Methods | Spring 2017
Education
2016 | PhD, California Institute of Technology | Geophysics
2015 | MS, California Institute of Technology | Geophysics
2010 | MPhil, St. John's College, University of Cambridge | Geophysics
2009 | MSc, University College London | Space Science
2008 | BA, University of Montana | Physics
2008 | BA, University of Montana | Fine Arts - Music
Field of Study
Earth Deformation | Surface Mass Loading | Tidal Harmonic Analysis | Earthquake & Volcano Seismology | Microseismicity | Planetary Science
Publications
* = graduate student
** = undergraduate student
2020 | *Smith, E., H.R. Martens, & M. Stickney. Microseismic evidence for bookshelf faulting in western Montana, Seismological Research Letters, https://doi.org/10.1785/0220200321. [https://pubs.geoscienceworld.org/ssa/srl/article/doi/10.1785/0220200321/594050/Microseismic-Evidence-for-Bookshelf-Faulting-in]
2020 | Martens, H.R., D.F. Argus, **C. Norberg, G. Blewitt, T.A. Herring, A.W. Moore, W.C. Hammond, & C. Kreemer. Atmospheric pressure loading in GPS positions: Dependency on GPS processing methods and effect on assessment of seasonal deformation in the contiguous U.S. and Alaska, Journal of Geodesy, 94(115), doi:10.1007/s00190-020-01445-w. [https://link.springer.com/article/10.1007/s00190-020-01445-w]
2020 | Argus, D.F., B. Ratliff, C. Demets, A. Borsa, D. Wiese, G. Blewitt, J. Crowley, H.R. Martens, C. Kreemer, & F. Landerer. Rise of Great Lakes surface water, sinking of the upper Midwest of the United States, and viscous collapse of the forebulge of the former Laurentide ice sheet, Journal of Geophysical Research: Solid Earth, 125(9): 1-16, doi:10.1029/2020JB019739. [https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2020JB019739]
2020 | Martens, H.R. & M. Simons. A comparison of predicted and observed ocean tidal loading in Alaska, Geophysical Journal International, 223(1): 454-470, doi:10.1093/gji/ggaa323. [https://academic.oup.com/gji/article-abstract/223/1/454/5863947]
2019 | Martens, H.R., L. Rivera, & M. Simons. LoadDef: A Python-based toolkit to model elastic deformation caused by surface mass loading on spherically symmetric bodies, Earth and Space Science, 6: 1-13, doi:10.1029/2018EA000462. [https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2018EA000462]
2019 | *Knappe, E., R. Bendick, H.R. Martens, D. Argus, & W. Gardner. Downscaling vertical GPS observations to derive watershed-scale hydrologic loading in the norther Rockies, Water Resources Res., 55(1): 391-401, doi:10.1029/2018WR023289. [https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2018WR023289]
2019 | *McMahon, N.D., W.L. Yeck, M.C. Stickney, R.C. Aster, H.R. Martens, & H.M. Benz. Spatiotemporal analysis of the foreshock-mainshock-aftershock sequence of the 6 July 2017 M5.8 Lincoln, Montana, earthquake, Seismol. Res. Lett., 90(1): 131-139, doi:10.1785/0220180180. [https://pubs.geoscienceworld.org/ssa/srl/article/90/1/131/566214/spatiotemporal-analysis-of-the-foreshock-mainshock]
2017 | Argus, D.F., F.W. Landerer, D. Wiese, H.R. Martens, Y. Fu, J.S. Famiglietti, B.F. Thomas, T.G. Farr, A.W. Moore, & M.M. Watkins. Sustained water loss in California's mountain ranges during severe drought from 2012 through 2015 inferred from GPS, J. Geophys. Res. Solid Earth, 122: 10,559–10,585, https://doi.org/10.1002/2017JB014424. [https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1002/2017JB014424]
2016 | Martens, H.R., M. Simons, S. Owen, and L. Rivera. Observations of ocean tidal load response in South America from subdaily GPS positions, Geophys. J. Int., 205(3):1637-1664, doi:10.1093/gji/ggw087. [http://gji.oxfordjournals.org/content/205/3/1637.short] (Winner of the GJI Student Author Award | Open Access)
2016 | Martens, H.R., L. Rivera, M. Simons, and T. Ito. The sensitivity of surface mass loading displacement response to perturbations in the elastic structure of the crust and mantle, J. Geophys. Res., 121(5):3911-3938, doi:10.1002/2015JB012456. [http://onlinelibrary.wiley.com/doi/10.1002/2015JB012456/full]
2016 | Martens, H.R. Using Earth deformation caused by surface mass loading to constrain the elastic structure of the crust and mantle, Dissertation (PhD), California Institute of Technology, doi:10.7907/Z9N29TX7. [http://thesis.library.caltech.edu/9666/]
2015 | Schuler, J., T. Greenfield, R.S. White, S.W. Roecker, B. Brandsdóttir, J.M. Stock, J. Tarasewicz, H.R Martens, and D. Pugh. Seismic imaging of the shallow crust beneath the Krafla central volcano, NE Iceland, J. Geophys. Res. Solid Earth, 120, doi:10.1002/2015JB012350. [http://onlinelibrary.wiley.com/doi/10.1002/2015JB012350/full]
2015 | Lin, N.Y., R. Jolivet, M. Simons, P.S. Agram, H.R. Martens, Z. Li, and S.H. Lodi. High interseismic coupling in the Eastern Makran (Pakistan) subduction zone, Earth Planet. Sci. Lett., 420:116--126. [http://www.sciencedirect.com/science/article/pii/S0012821X15001867]
2015 | Martens, H.R., A.P. Ingersoll, S.P. Ewald, P. Helfenstein, and B. Giese. Spatial distribution of ice blocks on Enceladus and implications for their origin and emplacement, Icarus, 245:162-176, doi:10.1016/j.icarus.2014.09.035. [http://www.sciencedirect.com/science/article/pii/S0019103514005016]
2013 | Martens, H.R., and R.S. White. Triggering of microearthquakes in Iceland by volatiles released from a dyke intrusion, Geophys. J. Int., 194(3):1738-1754, doi:10.1093/gji/ggt184. [http://gji.oxfordjournals.org/content/194/3/1738] (Open Access)
2011 | White, R.S., J. Drew, H.R. Martens, J. Key, H. Soosalu, and S.S. Jakobsdóttir. Dynamics of dyke intrusion in the mid-crust of Iceland, Earth Planet. Sci. Lett., 304(3-4):300-312, doi:10.1016/j.epsl.2011.02.038. [http://www.sciencedirect.com/science/article/pii/S0012821X11001178]
2010 | Martens, H.R., R.S. White, J. Key, J. Drew, H. Soosalu, and S.S. Jakobsdóttir. Dense seismic network provides new insight into the 2007 Upptyppingar dyke intrusion, Jökull, 60:47–66. [http://eprints.esc.cam.ac.uk/1981/1/207_Martens_etal_Jokull_2010.pdf]
2008 | Martens, H.R., D.B. Reisenfeld, J.D. Williams, R.E. Johnson, and H.T. Smith. Observations of molecular oxygen ions in Saturn's inner magnetosphere, Geophys. Res. Lett., 35(20), doi:10.1029/2008GL035433. [http://onlinelibrary.wiley.com/doi/10.1029/2008GL035433/full] (Designated a GRL Highlight)
Honors
2019 | Davidson Honors College Distinguished Alumna
2016 | Geophysical Journal International Student Author Award
2014 | NASA Earth and Space Science Fellowship
2010 | National Science Foundation Graduate Research Fellowship
2009 | NASA Group Achievement Award, Cassini Plasma Spectrometer Team
2008 | Marshall Scholarship
2007 | Glamour Magazine College Women of the Year
2006 | Goldwater Scholarship
2003 | University of Montana Presidential Leadership Scholarship
International Experience
Academic Guest: ETH-Zurich, Switzerland
- June-August 2018
- May-December 2019
Graduate Student: Cambridge University, England
- September 2009 - November 2010
Graduate Student: University College London, England
- September 2008 - September 2009