John B Rundle, University of California Davis, Department of Physics, Davis, CA, United States, Andrea Donnellan, Jet Propulsion Laboratory, California Institute of Technology, Instrument Systems Section, Pasadena, United States, Lisa Grant Ludwig, University of California Irvine, Irvine, CA, United States, Donald L Turcotte, University of California Davis, Department of Earth and Planetary Sciences, Davis, CA, United States, Molly Luginbuhl, University of California Davis, Davis, CA, United States and Gong Gail, Open Hazards Group, Davis, CA, United States