Philip J Maechling¹, Mei-Hui Su², Andreas Plesch³, John H Shaw⁴ and Scott Callaghan¹, (1)Southern California Earthquake Center, Los Angeles, CA, United States, (2)University of Southern California, Southern California Earthquake Center, Los Angeles, CA, United States, (3)Harvard University, Earth and Planetary Sciences, Cambridge, MA, United States, (4)Harvard Univ, Earth and Planetary Sciences, Cambridge, MA, United States