Publications @ University of Iowa




The 2019 Ridgecrest, California Earthquake Sequence: Kinematics of Slip and Stressing in Cross-Fault Ruptures, W.D. Barnhart, G.P Hayes, R.D. Gold, Geophysical Research Letters.


The 1892 Chaman earthquake, Pakistan, R. Bilham, N.U. Kakar, D. M. Kakar, K. Wang, R. Burgmann, W.D. Barnhart, Seismological Research Letters.



Surface rupture and vertical deformation associated with the 2016 M6.0 Petermann Ranges earthquake, Australia, R.D. Gold, D. Clark, W.D. Barnhart, T. King, M. Quigley, R.W. Briggs, Geophysical Research Letters.


Global Earthquake Response with Imaging Geodesy: Recent Examples from the USGS NEIC, W.D. Barnhart, G.P Hayes, D.J. Wald, Remote Sensing.

           ** Featured in AGU Eos: **


Earthquake scaling relationships from geodetically derived slip distributions, C.M.J. Brengman, W.D. Barnhart, E. Mankin, C. Miller, Bulletin of the Seismological Society of America.



Vertical coseismic offsets derived from differntial high-resolution stereogrammetric DSMs: Examples from the 2013 Baluchistan, Pakistan earthquake, W.D. Barnhart, R.D. Gold, H.N. Shea, K.E. Peterson, R.W. Briggs, D.J. Harbor, Journal of Geophysical Research - Solid Earth.


The 12 Novemeber 2017 Mw7.3 Ezgeleh-Sarpolzahab (Iran) earthquake and active tectonics of the Lurestan arc, E. Nissen, A Ghods, E. Karasozen, J.R. Elliott, W.D. Barnhart, E.A. Bergman, et al., Journal of Geophysical Research -Solid Earth.




Induced earthquake and liquefaction hazards in Oklahoma, USA: Constraints from InSAR. W.D. Barnhart, W.L. Yeck, D.E. McNamara, Remote Sensing of the Environment.


Viscous accretionary prisms: viscoelastic relaxation of the Makran accretionary prism following the 2013 Baluchistan, Pakistan earthquake, K.E. Peterson, W.D. Barnhart, S. Li, Journal of Geophysical Research - Solid Earth.


Ramp-flat structures of the Zagros Mountains inferred from co-seismic slip and afterslip of the 2017 Mw7.3 Darbandikhan, Iran/Iraq earthquake. WD Barnhart, CMJ Brengman, S Li, KE Peterson, Earth and Planetary Science Letters, 496, 96-107,


Spatiotemporal variations of mantle viscosity and the presence of cratonic mantle inferred from eight years of postseisic deformation following the 2010 Maule Chile earthquake, S. Li, J. Bedford, M. Moreno, WD Barnhart, M. Rosenau, O. Oncken, G-Cubed,


Geometric and frictional effects on incomplete rupture and shallow slip deficit in ramp-flat thrust structures, S. Li, W.D. Barnhart, M. Moreno, Geophysical Research Letters,




An investigation of the accuracy of Coulomb stress changes inferred from geodetic observations following subduction zone earthquakes. B.J. Stressler, W.D. Barnhart, Journal of Geophysical Research.


Tectonic summaries of magnitude 7 and greater earthquakes from 2000 to 2015. Hayes, G.P., Myers, E.K., Dewey, J.W., Briggs, R.W., Earle, P.S., Benz, H.M., Smoczyk, G.M., Flamme, H.E., Barnhart, W.D., Gold, R.D., and Furlong, K.P., USGS Open File Report 2016-1192, 148,


Introduction to this special section: Remote Sensing, CW Beasley, WD Barnhart, The Leading Edge, v 36 (1), p 11.


The 2008 Wells, Nevada Earthquake Sequence: Source Constraints using Calibrated Multiple Event Relocation and InSAR, J Nealy, GP Hayes, HM Benz, WD Barnhart, Bulletin of the Seismological Society of America, v 107 (3),


Fault creep rates of the Chaman Fault (Pakistan and Afghanistan) inferred from InSAR, WD Barnhart, Journal of Geophysical Research, doi:10.1002/2016JB013656, v122 (1),


Source Modeling of the 2015 Mw7.8 Nepal (Gorkha) earthquake sequence: implication for geodynamics and earthquake hazards, DE McNamara, W Yeck, WD Barnhart, V Schulte-Pelkum, E Bergman, H Benz, Tectonophysics,


Integrated geophysical characteristics of the 2015 Illapel, Chile, earthquake; MW Herman, JL Nealy, WL Yeck, WD Barnhart, GP Hayes, KP Furlong, HM Benz, Journal of Geophysical Research Solid Earth, v 122 (7),


Oklahoma experiences largest earthquake despite wastewater injection hazard mitigation efforts; WL Yeck, GP Hayes, DE McNamara, JL Rubinstein, WD Barnhart, PS Earle, H Benz, Geophysical Research Letters, v44 (2),




Co-seismic slip and early afterslip of the 2015 Illapel, Chile earthquake: Implciations for frictional heterogeneities on the megathrust and  coastal uplift, WD Barnhart, JR Murray, RW Briggs, F Gomez, CPJ Miles, J Svarc, S Riquelme, BJ Stressler, JGR-Solid Earth,





Rapid characterization of the 2015 Mw 7.8 Nepal (Gorkha) earthquake sequence and its seismotectonic context, Hayes, GP, Briggs RW, Barnhart WD, Yeck W., McNamara DE., Wald DJ, Nealy J, Benz H, Gold RD, Jaiswal K, Marano K, Earle P, Hearne M, Smoczyk G, Wald L, Samsonov S, Seismological Research Letters, v86 (6), 1557-1567.


On- and off-fault deformation associated with the September 2013 Mw7.7 Balochistan earthquake: Implications for geologic slip rate measurements, Gold, RD, NG Reitman, RW Briggs, WD Barnhart, GP Hayes, E Wilson, Tectonophysics,


Evidence for Slip Partitioning and Bimodal Slip on a Single Fault: Surface slip characteristics of the 2013 Mw7.7 Balochistan earthquake, Barnhart, W.D., R.W. Briggs, N.G. Reitman, R.D. Gold, G.P. Hayes, accepted, Earth and Planetary Science Letters, v. 420, p 1-11,


                  Full displacement field from Figure 2 can be downloaded here


Geodetic constraints on the August 2014 South Napa, CA earthquake, Barnhart,W.D., J.R. Murray, S-H Yun, J.L. Svarc, S.V. Samsonov, E.J. Fielding, B.A. Brooks, P. Milillo, Seismological Research Letters,


The M6.0 24 August 2014 South Napa Earthquake, Seism. Res. Lett.,Brocher, T.M., A. S. Baltay, J. L. Hardebeck, F. F. Pollitz, J. R. Murray, A. L. Llenos, D. P. Schwartz, J. L. Blair, D. J. Ponti, J. J. Lienkaemper, V. E. Langenheim, T. E. Dawson, K. W. Hudnut, D. R. Shelly, D. Dreger, J. Boatwright, B. T. Aagaard, D. J. Wald, R. M. Allen, W. D. Barnhart, K. L. Knudsen, B. A. Brooks, and K. M. Scharer, Seismological Research Letters,


Where it All Began: Induced Seismicity and Colorado., W.D. Barnhart, Outcrop, v64(4), 28-38.

                    Online version:




Seismological and geodetic constraints on the 2011 Trinidad, Colorado earthquake and deformation in the Raton Basin, Barnhart, W.D. H Benz, G Hayes, J. Rubinstein, E. Bergman, Journal of Geophysical Research,


Ball-and-socket tectonic rotations during the 2013 Mw7.7 Balochistan earthquake, Barnhart, W.D., G Hayes, R Briggs, R Gold, R Bilham, Earth and Planetary Science Letters,


Continuing Megathrust Earthquake Potential in Northern Chile after the 2014 Iquique Earthquake Sequence, Hayes, G.P., Herman, M.W., Barnhart, W.D., K.P. Furlong, S. Riquelme, H. Benz, E. Bergman, S. Barrientos, P.S. Earle, S. Samsonov, Nature,


Breaking the oceanic lithosphere in subduction zones: The 2013 Khash, Iran earthquake, Barnhart, W.D., Hayes, G.P., Samsonov, S.V., Fielding, E.J., Seidman, L.E., Geophysical Research Letters,


                    Makran Slab Model (mak_slab1.0_clip.grd,


Little late Holocene strain accumulation and release on the Aleutian megathrust below the Shumagin Islands, Alaska, Witter, R.C., Briggs, R.W., Engelhart, S.E., Gelfenbaum, G., Koehler, R.D., Barnhart, W.D.,Geophysical Research Letters,


Landslides in the northern Colorado Front Range caused by rainfall, September 11–13, 2013. Godt, J.W., Coe, J.A., Kean, J.W., Baum, R.L., Jones, E.S., Harp, E.L., Staley, D.M., and Barnhart, W.D., U.S. Geological Survey Fact Sheet 2013–3114. or


Seismicity of the Earth 1900-2013: East African Rift. GP Hayes, ES Jones, TJ Stadler, WD Barnhart, DE McNamara, HM Benz, KP Furlong, A Villasenor, US Geological Survey:





Phantom earthquakes and triggered aseismic creep: Vertical partitioning of strain during earthquake sequences in Iran;  Barnhart, W.D., Lohman, R.B. Geophysical Research Letters, doi:10.1002/grl.50201


Characterizing and Estimating Noise in InSAR and InSAR Time Series with MODIS, Barnhart, W.D., Lohman, R.B.,Geochemistry, Geophysics, Geosystems, doi:10.1002/ggge.20258


Active Accommodation of Plate Convergence in Southern Iran: Earthquake Locations, Triggered Aseismic Slip, and Regional Strain Rates, Barnhart, W.D., Lohman, R.B., Mellors, R.J., Journal of Geophysical Research, doi:10.1002/jgrb.50380





Regional trends in active diapirism revealed by mountain range-scale InSAR time series; Barnhart, W.D., Lohman, R.B.,   Geophysical Research Letters: doi:10.1029/2012GL051255


Depths and focal mechanisms of crustal earthquakes in the central Andes determined from teleseismic waveform analysis and InSAR, Devlin, S., B.L. Isacks, M.E. Pritchard, W.D. Barnhart, R.B. Lohman, Tectonics: doi:10.1029/2011TC002914




InSAR and optical constraints on fault slip during the 2010-2011 New Zealand earthquake sequence, Barnhart, W.D., M.J. Willis, R.B. Lohman, A.K. Melkonian, Seismological Research Letters, doi:10.1785/gssrl.82.6.815





Automated fault model discretization for inversions for coseismic slip distributions, Barnhart, W.D., Lohman, R.B.,  Journal of Geophysical Research, doi:10.1029/2010JB007545


Evaluation of earthquake triggering during the 2005-2008 earthquake sequence on Qeshm Island, Iran, Lohman, R.B., W.D. Barnhart,  Journal of Geophysical Research, doi:10.1029/2010JB007710