bio | teaching | publications

Walter Szeliga


Assistant Professor

PANGA | Department of Geological Sciences
bio | vitae (pdf)

Walter Szeliga received his B.S. in Mathematics in 2003 from the University of Massachusetts, Amherst, Master's in Geology (advisor Tim Melbourne) in 2005 from Central Washington University, and PhD in Geophysics (advisor Roger Bilham) in 2010 from the University of Colorado. He is currently an Assistant Professor at Central Washington University with the Pacific Northwest Geodetic Array (PANGA). His research interests include using geodesy to study transient and aseismic processes occurring along plate bounding faults, including subduction zones.


  • (see full list, including all past courses)
  • geol101: introduction to geology
  • geol305: quantitative analysis
  • geol306: communicating geoscience
  • geol415: neotectonics
  • geol453: seismology
  • geol501: current topics in geology


Pérez, O. J., S. G. Wesnousky, R. De La Rosa, J. Márquez, R. Uzciátegui, C. Quintero, L. Liberal, H. Mora-Páez, and W. Szeliga, On the Interaction of the North Andes Plate with the Caribbean and South American Plates in Northwestern South America from GPS Geodesy and Seismic Data, Geophys. J. Int. 214 (2), p 1986–2001, doi:10.1093/gji/ggy230, 2018.
J.-P. Montillet, T. I. Melbourne, and W. M. Szeliga GPS Vertical Land Motion Corrections to Sea-Level Rise Estimates in the Pacific Northwest., J. Geophys. Res. Oceans, 123, doi:10.1002/2017JC01325, 2018.
Herring, T. A., T. I. Melbourne, M. Murray, M. Floyd, W. Szeliga, R. W. King, D. Phillips, C. Puskas, V. M. Santillan, and L. Wang, Plate Boundary Observatory and Related Networks: GPS Data Analysis Methods and Geodetic Products, Rev. Geophys. 54 (4), p 759–808, doi:10.1002/2016RG000529, 2016.
Montillet, J., W. Szeliga, T. Melbourne, R. Flake, and G. Schrock, Critical Infrastructure Monitoring with Global Navigation Satellite Systems, J. Surv. Eng., doi:10.1061/(ASCE)SU.1943-5428.0000181, 2016.
Frohling, E. and W. Szeliga, GPS constraints on interplate locking within the Makran subduction zone, Geophysical Journal International, doi:10.1093/gji/ggw001, 2016.

Szeliga, W., 2012 Haida Gwaii Quake Insight Into Cascadia's Subduction Extent, Eos Trans. Am. Geophys. Union, 4 (9), p 85–96, 2013.

India Plate
Szeliga, W. and Bilham, R., New Constraints on the Mechanism and Rupture Area for the 1905 Kangra Earthquake, Northwest Himalaya, Bull. Seismol. Soc. Am., 107 (5), p 2467–2479, doi:10.1785/0120160267, 2017.
Galetzka, J., D. Melgar, J. F. Genrich, J. Geng, S. Owen, E. O. Lindsey, X. Xu, Y. Bock, J.-P. Avouac, L. B. Adhikari, B. N. Upreti, \ B. Pratt-Sitaula, T. N. Bhattarai, B. P. Sitaula, A. Moore, K. W. Hudnut, W. Szeliga, J. Normandeau, M. Fend, M. Flouzat, L. Bollinger, P. Shrestha, \ B. Koirala, U. Gautam, M. Bhatterai, R. Gupta, T. Kandel, C. Timsina, S. N. Sapkota, S. Rajaure, and N. Maharjan, Slip pulse and resonance of Kathmandu basin during the 2015 Mw 7.8 Gorkha earthquake, Nepal imaged with geodesy, Science, doi:10.1126/science.aac6383, 2015.
Vernant, P., Bilham,R., Szeliga, W., Drupka, D., Kalita, S., Bhattacharyya, A. K., Gaur, V. K., Pelgay, P., Cattin, R., Berthet, T., Clockwise Rotation of the Brahmaputra valley relative to India: tectonic convergence in the eastern Himalaya, Naga Hills and Shillong Plateau, Journal of Geophysical Research, B, doi:10.1002/2014JB011196, 2014.
Schiffman, C., Bali, B. S., Szeliga, W., Bilham, R., Seismic slip deficit in the Kashmir Himalaya from GPS observations, Geophysical Research Letters, doi:10.1002/2013GL057700, 2013.
Szeliga, W., Bilham, R., Kakar, D. M., Lodi, S., Interseismic Strain Accumulation along the Western Boundary of the Indian Subcontinent, Journal of Geophysical Research, B, doi:10.1029/2011JB008822, 2012.
Walker, R., Bergman, E., Szeliga, W., and Fielding, E., Insights into the 1968–1997 Dast-e-Bayaz and Zirkuh earthquake sequences, eastern Iran, from calibrated relocations, InSAR, and high-resolution satellite imagery, Geophys. J. Int., 187 (3), p 1577–1603, doi:10.1111/j.1365-246X.2011.05213.x, 2011.
Szeliga, W., Hough, S. E., Martin, S., Bilham, R., Intensity, magnitude, location and attenuation in India for felt earthquakes since 1762, Bull. Seismol. Soc. Am., 100 (2), p 570–584. doi:10.1785/0120080329, 2010.
Martin, S., Szeliga, W., A catalog of felt intensity data for 570 earthquakes in India from 1636 to 2008, Bull. Seismol. Soc. Am., 100 (2), p 562–569. doi:10.1785/0120080328, 2010.
Szeliga, W., Bilham, R., Schelling, D., Kakar, D. M., Lodi, S., Fold and thrust partitioning in a contracting fold belt: Insights from the 1931 Mach earthquake in Baluchistan, Tectonics, 28, doi:10.1029/2008TC002265, 2009.
Bilham, R., Szeliga, W., Interaction Between the Himalaya and the Flexed Indian Plate — Spatial Fluctuations in Seismic Hazard in India in the Past Millennium?, 2008 Seismic Engineering Conference Commemorating the 1908 Messina and Reggio Calabria earthquake, ed A. Santini and N. Moraci, American Inst. of Physics Conf. Proc., p 224–231. 2008.

Slow Earthquakes
Szeliga, W., Melbourne, T., Santillan, M. and Miller, M., GPS constraints on 34 slow slip events within the Cascadia subduction zone, 1997–2005, Journal of Geophysical Research, B, 113, doi:10.1029/2007JB004948, 2008.
Melbourne, T., W. Szeliga, M. M. Miller, V. M. Santillan, Duration and extent of the 2003 Cascadia Slow Earthquake, Geophysical Research Letters, 32, L04301, doi:10.1029/2004GL021790, 2005.
Szeliga, W., T. Melbourne, M. M. Miller, V. M. Santillan, Southern Cascadia episodic slow earthquakes, Geophysical Research Letters, 31, L16602, doi:10.1029/2004GL020824, 2004.

Szeliga, W., Benner, L., Garrett, J. and Ellsworth, K., Call types of the Red Crossbills of the San Gabriel, San Bernardino, and San Jacinto Mountains, Southern California, Western Birds, 45 (3), 2014.
Szeliga, W., Whither Colorado's Wheatear Colorado Birds 44 (2), p 82–89. 2010.

Young, R., W. Szeliga, Blowup with Small BV Data in Hyperbolic Conservation Laws, Arch. Rational Mech. Anal., 179 (1), doi:10.1007/s00205-005-0370-9, 2006.