Publications

Ebbing, J., J.R. Hopper, C.P. Conrad, G. Milne, R. Steffen, J.C. Afonso, V.R. Barletta, A.M.G. Ferreira, J. Freienstein, S.E. Hansen, B.H. Heincke, G. Jones, S. Lebedev, M. Moorkamp, D.L. Schutt, and A. Wansing, Importance of solid Earth structure for understanding the evolution of the Greenland ice sheet, J. Geol. Soc., 182, doi: 10.1144/jgs2024-291, 2025. Ebbing_etal_JGS_2025.pdf

Hansen, S.E. and E.L. Emry, East Antarctic tectonic basin structure and its implications for ice-sheet modeling and sea-level projections, Nature Comm. Earth Environ., 6, doi: 10.1038/s43247-025-02140-4, 2025. Hansen_&_Emry_CommEE_2025.pdf

Ho, L.M., J.I. Walter, S.E. Hansen, J.L. Sanchez-Roldan, and Z. Peng, Evaluating Automated Seismic Event Detection Approaches: An Application to Victoria Land, East Antarctica, J. Geophys. Res. Machine Learn. Comp., 1, doi: 10.1029/2024JH000185, 2024. Ho_etal_JGR_2024.pdf

Agboola, K.J., S.E. Hansen, E.J. Garnero, S. Rost, M. Li, and S.-H. Shim, Ultra-low Velocity Zones beneath the Southern Hemisphere Imaged with Double-Array Stacking of PcP Waveforms, J. Geophys. Res. Solid Earth, 129, doi: 10.1029/2023JB028170, 2024. Agboola_etal_JGR_2024.pdf

Saeidi, H., S.E. Hansen, A.A. Nyblade, and R. Haag, Mantle Structure beneath the Damara Belt in south-central Africa imaged using Adaptively Parameterized P-wave Tomography, J. Geophys. Res. Solid Earth, 129, doi: 10.1029/2023JB027965, 2024.  Saeidi_etal_JGR_2024.pdf

Hansen, S.E., E.J. Garnero, M. Li, S.-H. Shim, and S. Rost, Globally Distributed Subducted Materials along the Earth’s Core-Mantle Boundary: Implications for Ultra-low Velocity Zones, Science Adv., 9, doi: 10.1126/sciadv.add4838, 2023.  Hansen_etal_SciAdv_2023.pdf

Saeidi, H., S.E. Hansen, and A.A. Nyblade, Deep Mantle Influence on the Cameroon Volcanic Line, Geochem. Geophys. Geosyst., 24, doi: 10.1029/2022GC010621, 2023.  Saeidi_etal_G-cubed_2023.pdf

Hansen, S.E., E.J. Garnero, and S. Rost, Historical Interstation Pattern Referencing (HIPR): an application to PcP waves recorded in the Antarctic for ULVZ imaging, J. Geophys. Res. Solid Earth, 126, doi: 10.1029/2021JB022741, 2021.  Hansen_etal_JGR_2021.pdf

Emry, E.L., A.A. Nyblade, A. Horton, S.E. Hansen, J. Julia, R.C. Aster, A.D. Huerta, J.P. Winberry, D.A. Wiens, and T.J. Wilson, Prominent thermal anomalies in the mantle transition zone beneath the Transantarctic Mountains, Geology, 48, doi: 10.1130/G47346.1, 2020.  Emry_etal_Geology_2020.pdf

Hansen, S.E., S.E. Carson, E.J. Garnero, S. Rost, and S. Yu, Investigating Ultra-low Velocity Zones in the Southern Hemisphere using an Antarctic Dataset, Earth Planet. Sci. Lett., 536, 116142, doi: 10.1016/j.epsl.2020.116142, 2020.  Hansen_etal_EPSL_2020.pdf

Lloyd, A.J., D.A. Wiens, H. Zhu, J. Tromp, A.A. Nyblade, R.C. Aster, S.E. Hansen, I.W.D. Dalziel, T.J. Wilson, E.R. Ivins, and J.P. O’Donnell, Seismic Structure of the Antarctic Upper Mantle Imaged with Adjoint Tomography, J. Geophys. Res. Solid Earth, 124, doi: 10.1029/2019JB017823, 2020.  Lloyd_etal_JGR_2020.pdf

Hansen, S.E., C.P. Evangelidis, and G.A. Papadopoulos, Imaging Slab Detachment within the Western Hellenic Subduction Zone, Geochem. Geophys. Geosyst., 20, 895-912, doi: 10.1029/2018GC007810, 2019.  Hansen_etal_G3_2019.pdf

White-Gaynor, A.L., A.A. Nyblade, R.C. Aster, D.A. Wiens, P.D. Bromirski, P. Gerstoft, R.A. Stephen, S.E. Hansen, T. Wilson, I.W. Dalziel, A.D. Huerta, J.P. Winberry, and S. Anandakrishnan, Heterogeneous upper mantle structure beneath the Ross Sea Embayment and Marie Byrd Land, West Antarctica, revealed by P-wave tomography, Earth Planet. Sci. Lett., 513, 40-50, doi: 10.1016/j.epsl.2019.02.013, 2019.  White-Gaynor_etal_EPSL_2019.pdf

Shen, W., D.A. Wiens, S. Anandakrishnan, R.C. Aster, P. Gerstoft, P.D. Bromirski, S.E. Hansen, I.W.D. Dalziel, D.S. Heeszel, A.D. Huerta, A.A. Nyblade, R. Stephen, T.J. Wilson, and J.P. Winberry, The crustal and upper mantle structure of Central and West Antarctica from Bayesian inversion of Rayleigh wave and receiver function data, J. Geophys. Res. Solid Earth, 123, 7824-7849, doi: 10.1029/2017JB015346, 2018.  Shen_etal_JGR_2018.pdf

Shen, W., D.A. Wiens, T. Stern, S. Anandakrishnan, R.C. Aster, I. Dalziel, S.E. Hansen, D.S. Heeszel, A. Huerta, A. Nyblade, T.J. Wilson, and J.P. Winberry, Seismic evidence for lithospheric foundering beneath the southern Transantarctic Mountains, Antarctica, Geology, 46, 71-74, doi: 10.1130/G39555.1, 2017.  Shen_etal_Geology_2017.pdf

Zhang, Y., H. Sun, H.H. Stowell, M. Zayernouri, and S.E. Hansen, A review of applications of fractional calculus in Earth system dynamics, Chaos, Solitons & Fractals, 102, 29-46, doi: 10.1016/j.chaos.2017.03.051, 2017.  Zhang_etal_Chaos_2017.pdf

Brenn, G.R., S.E. Hansen, and Y. Park, Variable thermal loading and uplift along the Transantarctic Mountains, Antarctica, Geology, 45, 463-466, doi: 10.1130/G38784.1, 2017.  Brenn_etal_Geology_2017.pdf

Graw, J.H., S.E. Hansen, C. Langston, B. Young, A. Mostafanejad, and Y. Park, Assessment of Crustal and Upper Mantle Velocity Structure by Removing the Effect of an Ice Layer on the P-wave Response: An Application to Antarctic Seismic Studies, Bull. Seis. Soc. Am., 107, 639-651, doi: 10.1785/0120160262, 2017.  Graw_etal_BSSA_2017.pdf

Graw, J.H. and S.E. Hansen, Upper Mantle Seismic Anisotropy beneath the Northern Transantarctic Mountains, Antarctica from PKS, SKS, and SKKS Splitting Analysis, Geochem. Geophys. Geosys., 18, 544-557, doi: 10.1002/2016GC006729, 2017.  Graw_Hansen_G3_2017.pdf

Graw, J.H., A.N. Adams, S.E. Hansen, D.A. Wiens, L. Hackworth, and Y. Park, Upper mantle shear wave velocity structure beneath northern Victoria Land, Antarctica: Volcanism and uplift in the northern Transantarctic Mountains, Earth Plant. Sci. Lett., 449, 48-60, doi: 10.1016/j.epsl.2016.05.026, 2016.  Graw_etal_EPSL_2016.pdf
 
Hansen, S.E., L.M. Kenyon, J.H. Graw, Y. Park, and A.A. Nyblade, Crustal structure beneath the Northern Transantarctic Mountains and Wilkes Subglacial Basin: Implications for Tectonic Origins, J. Geophys. Res. Solid Earth, 121, 812-825, doi:10.1002/2015/JB012325, 2016.  Hansen_etal_JGR_2016.pdf

Ramirez, C., A.A. Nyblade, S.E. Hansen, D.A. Wiens, S. Anandakrishnan, R.C. Aster, A.D. Huerta, P.J. Shore, and T. Wilson, Crustal and Upper Mantle Structure beneath Ice-Covered Regions in Antarctica from S-wave Receiver Functions and Implications for Heat Flow, Geophys. J. Int., 204, 1636-1648, doi: 10.1093/gji/ggv542, 2016.  Ramirez_etal_GJI_2016.pdf

Hansen, S.E., A. Reusch, T. Parker, D. Bloomquist, P. Carpenter, J.H. Graw, and G.R. Brenn, The Transantarctic Mountains Northern Network (TAMNNET): Deployment and Performance of a Seismic Array in Antarctica, Seism. Res. Lett., 86, 1636-1644, doi: 10.1785/0220150117, 2015.  Hansen_etal_SRL_2015.pdf

Hansen, S.E., J.H. Graw, L.M. Kenyon, A.A. Nyblade, D.A. Wiens, R.C. Aster, A.D. Huerta, S. Anandakrishnan, and T. Wilson, Imaging the Antarctic mantle using adaptively parameterized P-wave tomography: Evidence for heterogeneous structure beneath West Antarctica, Earth Planet. Sci. Lett., 408, 66-78, doi: 10.1016/j.epsl.2014.09.043, 2014.  Hansen_etal_EPSL_2014.pdf

Hansen, S.E., H.R. DeShon, M.M. Driskell, and A.M.S. Al-Amri, Investigating the P-wave Velocity Structure beneath Harrat Lunayyir, northwestern Saudi Arabia, using Double-Difference Tomography and Earthquakes from the 2009 Seismic Swarm, J. Geophys. Res. Solid Earth, 118, 4814-4826, doi: 10.1002/jgrb.50286, 2013.  Hansen_etal_JGR_2013.pdf

Hansen, S.E. and A.A. Nyblade, The Deep Seismic Structure of the Ethiopia/Afar Hotspot and the African Superplume, Geol. J. Int., 194, 118-124, doi: 10.1093/gji/ggt116, 2013.  Hansen_Nyblade_GJI_2013.pdf

Heeszel, D.S., D.A. Wiens, A.A. Nyblade, S.E. Hansen, M. Kanao, M. An, and Y. Zhao, Rayleigh wave constraints on the structure and tectonic history of the Gamburtsev Subglacial Mountains, East Antarctica, J. Geophys. Res. Solid Earth, 118, 2138-2153, doi: 10.1002/jgrb.50171, 2013.  Heeszel_etal_JGR_2013.pdf

Lloyd, A.J., A.A. Nyblade, D.A. Wiens, P.J. Shore, S.E. Hansen, M. Kanao, and D. Zhao, Upper mantle seismic structure beneath central East Antarctica from body wave tomography: Implications for the origin of the Gamburtsev Subglacial Mountains, Geochem. Geophys. Geosys., 14, 902-920, doi: 10.1002/ggge.20098, 2013.  Lloyd_etal_G3_2013.pdf

Kanao, M., S.E. Hansen, K. Kamiyama, D. Wiens, T. Higashi, A.A. Nyblade, A. Watanabe, Crustal structure from the Lützow-Holm Bay to the inland plateau of East Antarctica, based on gravity surveys and broadband seismic deployments, Tectonphys., 572-573, 100-110, doi: 10.1016/j.tecto.2012.01.014, 2012.  Kanao_etal_Tectonophysics_2012.pdf

Hansen, S.E., A.A. Nyblade, and M.H. Benoit, Mantle structure beneath Africa and Arabia from adaptively parameterized P-wave tomography: Implications for the origin of Cenozoic Afro-Arabian tectonism, Earth Planet. Sci. Lett., 319-320, 23-34, doi: 10.1016/j.epsl.2011.12.023, 2012.  Hansen_etal_EPSL_2012.pdf

Hansen, S.E., A.A. Nyblade, D. Heeszel, D.A. Wiens, P. Shore, and M. Kanao, Crustal Structure of the Gamburtsev Mountains, East Antarctica, from S-wave Receiver Functions and Rayleigh Wave Phase Velocities, Earth Planet. Sci. Lett., 300, 395-401, doi: 10.1016/j.epsl.2010.10.022, 2010.  Hansen_etal_EPSL_2010.pdf

Hansen, S.E., A.A. Nyblade, and J. Julià, Estimates of Crustal and Lithospheric Thickness in Sub-Saharan Africa from S-wave Receiver Functions, S. African J. Geol., 112, 89-100, doi: 10.2113/gssajg.112.3-4.229, 2009c.  Hansen_etal_SAJG_2009.pdf

Hansen, S.E., J. Julià, A.A. Nyblade, M.L. Pyle, D.A. Wiens, and S. Anandakrishnan, Using S wave receiver functions to estimate crustal structure beneath ice sheets: An application to the Transantarctic Mountains and East Antarctic craton, Geochem. Geophys. Geosyst., 10, Q08014, doi: 10.1029/2009GC002576, 2009b.  Hansen_etal_G3_2009.pdf

Hansen, S.E., A.A. Nyblade, J. Julià, P.H.G.M. Dirks, and R. J. Durrheim, Upper Mantle low-velocity zone structure beneath the Kaapvaal Craton from S-wave receiver functions, Geophys. J. Int., 178, 1021-1027, doi: 10.1111/j.1365-246X.2009.04178.x, 2009a.  Hansen_etal_GJI_2009.pdf

Hansen, S.E., J.B. Gaherty, S.Y. Schwartz, A.J. Rodgers, and A.M.S. Al-Amri, Seismic velocity structure and depth-dependence of anisotropy in the Red Sea and Arabian Shield from surface wave analysis, J. Geophys. Res. Solid Earth, 113, B10307, doi: 10.1029/2007JB005335, 2008.  Hansen_etal_JGR_2008.pdf

Hansen, S.E., A.J. Rodgers, S.Y. Schwartz, and A. Al-Amri, Imaging Ruptured Lithosphere beneath the Red Sea and Arabian Peninsula, Earth Planet. Sci. Lett., 259, 256-265, doi: 10.1016/j.epsl.2007.04.035, 2007.  Hansen_etal_EPSL_2007.pdf

Hansen, S.E., S.Y. Schwartz, A. Al-Amri, and A.J. Rodgers, Combined Plate Motion and Density Driven Flow in the Asthenosphere beneath Saudi Arabia: Evidence from Shear-wave Splitting and Seismic Anisotropy, Geology, 34, 869-872, doi: 10.1130/G22713.1, 2006b.  Hansen_etal_Geology_2006.pdf

Hansen, S.E., S.Y. Schwartz, H.R. DeShon, and V. Gonzalez, Earthquake Relocation and Focal Mechanism Determination using Waveform Cross-Correlation, Nicoya Peninsula, Costa Rica, Bull. Seis. Soc. Am., 96, 1003-1011, doi: 10.1785/0120050129, 2006a.  Hansen_etal_BSSA_2006.pdf

Hansen, S.E., C.H. Thurber, M. Mandernach, F. Haslinger, and C. Doran, Seismic Velocity and Attenuation Structure of the East Rift Zone and South Flank of Kilauea Volcano, Hawaii, Bull. Seis. Soc. Am., 94, 1430-1440, doi: 10.1785/012003154, 2004.  Hansen_etal_BSSA_2004.pdf