Seismic signals from the slab surface within and downdip of the thrust zone: blind men and the elephant?

Geoffrey A Abers1, Helen A Janiszewski2, Katie M Keranen3, Jiyao Li4, Demian M Saffer5, Donna J Shillington2 and Kevin Schindler3, (1)Cornell University, Ithaca, NY, United States, (2)Columbia University of New York, Palisades, NY, United States, (3)Cornell University, Earth and Atmospheric Sciences, Ithaca, NY, United States, (4)Lamont Doherty Earth Observatory of Columbia University, Palisades, NY, United States, (5)Penn State University, Department of Geosciences, University Park, PA, United States