Alan Yong, US Geological Survey, Pasadena, CA, United States, Jon B Fletcher, USGS California Water Science Center Menlo Park, Earthquake Science Center, Menlo Park, Ca 94025, Menlo Park, CA, United States, Elizabeth S Cochran, Earthquake Science Center, U.S. Geological Survey, Pasadena, CA, United States, Tatiana Bettina Gospe, UCLA, Civil and Environmental Engineering, Los Angeles, CA, United States, Nicholas van der Elst, Lamont -Doherty Earth Observatory, Palisades, NY, United States, Adria McClain, USGS Pasadena Field Office, Menlo Park, CA, United States and Jonathan P. Stewart, University of California Los Angeles, Civil and Environmental Engineering, Los Angeles, CA, United States