What Controls Lateral Segmentation in Cascadia? Sub-Slab Density Anomalies or Slab Age Variations

Vincent Sassard1,2, Ylona van Dinther3, Miles Bodmer4, Emilie E E Hooft5 and Douglas R Toomey5, (1)Purdue University, Earth, Atmospheric, and Planetary Sciences, West Lafayette, IN, United States, (2)Utrecht University, Faculty of Geosciences, Utrecht, Netherlands, (3)Utrecht University, Utrecht, Netherlands, (4)Sandia National Laboratories, Albuquerque, United States, (5)University of Oregon, Department of Earth Sciences, Eugene, OR, United States