Improved Nazca slab structure from teleseismic P-wave tomography along the Andean margin

Daniel Evan Portner1, Susan L Beck2, Alissa C Scire1 and George Zandt3, (1)University of Arizona, Tucson, AZ, United States, (2)University of Arizona, Department of Geosciences, Tucson, AZ, United States, (3)Retired, Tucson, AZ, United States