Frictional Healing and Stress

David A Lockner, USGS Western Regional Offices Menlo Park, Menlo Park, CA, United States, Tamara Jeppson, University of Wisconsin-Madison, Madison, WI, United States; USGS Earthquake Science Center, Menlo Park, United States and Nicholas M Beeler, USGS Cascades Volcano Observatory, Vancouver, WA, United States