Sara McBride¹, Jeannette Sutton², Michele Marie Wood³, Lori Peek⁴, Robert M DeGroot⁵, Andrea L Llenos⁶, Grace Alexandra Parker⁷, Danielle F Sumy⁵, Douglas D Given⁸, Pascal Schuback⁹, Ryan Arba¹⁰, Rachel Sierer-Wooden¹⁰, Emily Holland¹⁰, Holly Porter¹¹, Candice Hadley¹¹, Darius Fattahipour¹¹, Alex Bell¹² and Gabe Kearney¹³, (1)U.S. Geological Survey, Earthquake Science Center, Kennewick, United States, (2)University of Kentucky, Department of Communication, Lexington, KY, United States, (3)California State University Fullerton, Fullerton, CA, United States, (4)University of Colorado Boulder, Sociology and Natural Hazards Center, Boulder, CO, United States, (5)University of Southern California, Los Angeles, CA, United States, (6)USGS California Water Science Center Menlo Park, Menlo Park, CA, United States, (7)University of California Los Angeles, Los Angeles, CA, United States, (8)USGS, Pasadena, CA, United States, (9)Cascadia Region Earthquake Workgroup, Seattle, United States, (10)California Office of Emergency Services, Sacramento, United States, (11)San Diego Office of Emergency Services, San Diego, United States, (12)San Diego County of Emergency Services, San Diego, United States, (13)California Office of Emergency Services, Sacremento, United States