BARNHART, Katherine1, JONES, Ryan P.1, GEORGE, David L.2, MCARDELL, Brian W.3, RENGERS, Francis4, STALEY, Dennis1 and KEAN, Jason4, (1)Geologic Hazards Science Center, U.S. Geological Survey, Box 25046, MS 966, Denver Federal Center, Denver, CO 80225, (2)U.S. Geological Survey, Cascade Volcano Observatory, 1300 SE Cardinal Ct, Vancouver, WA 98683, (3)Swiss Federal Institute for Forest, Snow and Landscape Research, Birmensdorf, 8903, Switzerland, (4)U.S. Geological Survey, Geologic Hazards Science Center, P.O. Box 25046, MS 966, Denver Federal Center, Denver, CO 80225