Tara Nye1,2, Kate Allstadt1, Eric M Thompson3 and C. Bruce Worden4, (1)USGS Geologic Hazards Science Center, Golden, CO, United States, (2)Incorporated Research Institutions for Seismology, Washington D.C., DC, United States, (3)USGS, Golden, CO, United States, (4)USGS Geologic Hazards Science Center, Golden, United States