GEOL 3106
Geology Building
8000 Regents Drive
College Park, MD 20742

marusiak [at] umd [dot] edu

Nicholas Schmerr

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My research focuses on seismology for planetary exploration. Part of my research has developed an algorithm to constrain the size of terrestrial cores using the core-reflected shear wave, ScS. This algorithm is being applied to data from the NASA InSight mission to investigate the size of the Martian core. My research also focuses on the seismic environments of icy/ocean worlds. I use terrestrial analog locations in Alaska and Greenland to test different deployment strategies and small-aperture arrays. Specifically I determine how well different configurations can detect, locate, and identify seismic sources and how this applies to future missions. 

Garcia, R.F., Khan, A., Drilleau, M., Margerin, L., Kawamura, T., Sun, D., Wieczorek, M.A., Rivoldini, A., Nunn, C., Weber, R.C., Marusiak, A.G., Lognonné, P., Nakamura, Y., Zhu, P. (2019) Lunar Seismology: An Update on Interior Structure Models. Space Science Reviews. 215:50 DOI: 10.1007/s1121

Marusiak, A.G., Schmerr, N.C., Banks, M.E., Daubar, I.J. (2020) Terrestrial single-station analog for constraining the Martian core and deep interior: Implications for InSight. Icarus. 335 DOI: 10.1016/j.icarus.2019.113396

Marusiak, A.G., Schmerr, N.C., DellaGiustina, D.N., Pettit, E.C., Dahl, P.H., Avenson, B., Bailey, S.H., Bray, V.J., Wagner, N., Carr, C.G., Weber, R.C. (2020) The Deployment of the Seismometer to Investigate Ice and Ocean Structure (SIIOS) on Gulkana Glacier, Alaska. Seismological Research Letters. 91 1901-1914. DOI: 10.1785/0220190328