Brandon Schmandt



Assistant Professor of Geophysics

University of New Mexico

contact: bschmandt at

PhD, 2011 University of Oregon

Postdoc, 2011-12 Caltech Seismo Lab



Schmandt, B., R. Clayton (accepted), Analysis of teleseismic P-waves with a 5200-station array in Long Beach, California: evidence for an abrupt boundary to Inner Borderland rifting, J. Geophys. Res.

Schmandt, B., R. Aster, D Scherler, V.C. Tsai, K. Karlstrom (2013), Multiple fluvial processes detected by riverside seismic and infrasound monitoring of a controlled flood in the Grand Canyon, Geophys. Res. Lett., 40, doi:10.1002/grl.50953.

Wang, Y., D.W. Forsyth, C.J. Rau, N. Carriero, B. Schmandt, J. Gaherty, B. Savage (2013), Fossil slabs attached to unsubducted fragments of the Farallon plate,

Lin, F.-C., V.C. Tsai, B. Schmandt, Z. Duputel, Z. Zhan, (2013) Extracting seismic core phases with array interferometry, 40, 1049-1053, DOI: 10.1002/grl.50237.


Schmandt, B. (2012) Mantle transition zone shear velocity gradients beneath USArray, Earth and Planetary Science Letters, 355-356, 119-130, doi: 10.1016/j.epsl.2012.08.031.

Lin, F.-C., B. Schmandt, and V. C. Tsai (2012), Joint inversion of Rayleigh wave phase velocity and ellipticity using USArray: Constraining velocity and density structure in the upper crust, Geophys. Res. Lett., 39, L12303, doi:10.1029/2012GL052196.

Schmandt, B., K. G. Dueker, E. D. Humphreys, S. H. Hansen (2012), Hot mantle upwelling across the 660 beneath Yellowstone. Earth and Planetary Science Letters, 331-332, 224-236, doi:10.1016/j.epsl.2012.03.025.

Chu, R., B. Schmandt, D. V. Helmberger (2012), Juan de Fuca subduction zone structure from tomography and waveform modeling, J. Geophys. Res., 117, B03304, doi:10.1029/2012JB009146.

Chu, R., B. Schmandt, D. V. Helmberger (2012), Upper mantle P-velocity structure beneath the midwestern United States derived from triplicated waveforms, Geochemistry Geophysics Geosystems, 13, Q0AK04, doi:10.1029/2011GC003818 .


Karlstrom, K. E., et al (2011), Mantle-driven dynamic uplift of the Rocky Mountains and Colorado Plateau and its surface response: Toward a unified hypothesis. Lithosphere, doi:10.1130/L150.1.

O’Driscoll, L., E. D. Humphreys, B. Schmandt, (2011), Time corrections to teleseismic P delays derived from SKS splitting parameters and implications for western U.S. P-wave tomography. Geophysical Research Letters, 38 L19304.

Humphreys, E. D., B. Schmandt (2011), Looking for mantle plumes. Physics Today, 64, 8, 34-39.

Schmandt, B., K.G. Dueker, S.M. Hansen, J.J. Jasbinsek, Z. Zhang (2011), A sporadic low-velocity layer atop the western U.S. mantle transition zone and short-wavelength variations in transition zone discontinuities. Geochemistry Geophysics Geosystems, doi:10.1029/2011GC003668.

Levander, A., B. Schmandt, M. S. Miller, K. Liu, K. E. Karlstrom, R. S. Crow, C.-T. A. Lee, and E. D. Humphreys (2011), Ongoing Colorado Plateau uplift by delamination-style convective lithospheric downwelling. Nature, 472, 461–465, doi:10.1038/nature10001.

Schmandt, B. and E. D. Humphreys (2011), Seismically Imaged Relict Slab from the 55 Ma Siletzia Accretion to Northwest USA. Geology, 39, 175-178.

Crow, R.S., K.E., Karlstrom, Y. Asmerom, B. Schmandt, V. Polyak, A. DuFrane (2011), Shrinking of the Colorado Plateau via lithospheric mantle erosion: evidence from Nd and Sr isotopes and geochronology of Neogene basalts. Geology, 39, 27-30.


Bezada, M. J., A. Levander, and B. Schmandt (2010) Subduction in the southern Caribbean: Images from finite-frequency P wave tomography. J. Geophys. Res., 115, B12333, doi:10.1029/2010JB007682.

Schmandt, B. and E. D. Humphreys (2010), Complex subduction and small-scale convection revealed by body wave tomography of the western U.S. upper mantle. Earth and Planetary Science Letters, 297, 435-445, doi:10.1016/j.epsl.2010.06.047.

Schmandt, B. and E. D. Humphreys (2010), Seismic heterogeneity and small-scale convection in the southern California upper mantle. Geochemistry Geophysics Geosystems. 11, Q05004, doi:10.1029/2010GC003042.