Angela I Chung¹, Deborah Smith², Jennifer Rebecca Andrews³, Maren Böse⁴, Jeffrey Joseph McGuire², Men-Andrin Meier⁵, Igor Stubailo⁶ and Richard M Allen⁷, (1)Berkeley Seismological Lab, Berkeley, CA, United States, (2)US Geological Survey, Menlo Park, CA, United States, (3)California Institute of Technology, GPS, Pasadena, CA, United States, (4)ETH Zurich, Zurich, Switzerland, (5)California Institute of Technology, Pasadena, CA, United States, (6)Caltech Seismo Lab, Pasadena, CA, United States, (7)Univ California Berkeley, Berkeley, CA, United States