Publications

2020

(9) Agrawal, S., Eakin, C.M., Portner, D.E., Rodríguez, E.E., and Beck, S. The deformational journey of the Nazca Slab from seismic anisotropy. Geophysical Research Letters, 47(11), doi:10.1029/2020GL087398.

(8) Király, A., Portner, D.E., Haynie, K.L., Chilson-Parks, B.H., Ghosh, T., Jadamec, M., Makushkina, A., Manga, M., Moresi, L., and O'Farrell, K.A. The effect of slab gaps on subduction dynamics and mantle upwelling. Tectonophysics, doi:10.1016/j.tecto.2020.228458.

(7) Portner, D.E., Rodríguez, E.E., Beck, S., Zandt, G., Scire, A., Rocha, M.P., Bianchi, M.B., Ruiz, M., França, G.S., Condori, C., and Alvarado, P. Detailed structure of the subducted Nazca slab into the lower mantle derived from continent-scale teleseismic P-wave tomography. Journal of Geophysical Research - Solid Earth, doi:10.1029/2019JB017884.

2019

(6) Meltzer, A., Beck, S., Ruiz, M., Hoskins, M., Soto-Cordero, L., Stachnik, J. C., Lynner, C., Porritt, R., Portner, D., Alvarado, A., Hernandez, S., Yepes, H., Charvis, P., Font, Y., Regnier, M., Agurto-Detzel, H., Rietbrock, A., Leon-Rios, S., and Mercerat, E. D. The 2016 Mw 7.8 Pedernales Earthquake, Ecuador: RAPID Response Deployment. Seismological Research Letters, 90(3), doi:10.1785/0220180364.

2018

(5) Hayes, G.P., Moore, G.L., Portner, D.E., Hearne, M., Flamme, H., Furtney, M., and Smoczyk, G. Slab2, a comprehensive subduction zone geometry model. Science, 362(6410), doi:10.1126/science.aat4723.

(4) Portner, D.E. and Hayes, G.P. Incorporating teleseismic tomography data into models of upper mantle slab geometry. Geophysical Journal International, 215, doi:10.1093/gji/ggy279.

(3) Portner, D.E., Delph, J.R., Biryol, C.B., Beck, S.L., Zandt, G., Ozacar, A.A., Sandvol, E., and Turkelli, N. Subduction termination through progressive slab deformation across Eastern Mediterranean subduction zones from updated P-wave tomography beneath Anatolia. Geosphere, 14(3), doi:10.1130/GES01617.1.

2017

(2) Lynner, C., Anderson, M., Portner, D.E., Beck, S.L., and Gilbert, H. Mantle flow through a tear in the Nazca slab inferred from shear wave splitting. Geophysical Research Letters, 44, doi:10.1002/2017GL074312.

(1) Portner, D.E., Beck, S., Zandt, G., and Scire, A. The nature of subslab slow velocity anomalies beneath South America. Geophysical Research Letters, 44, doi:10.1002/2017GL073106.

PDFs available for download on ResearchGate.