PEARL, Jessie, Seattle, WA 98195, BLACK, Bryan, Laboratory of Tree-Ring Research, University of Arizona, 1215 E. Lowell St., Tucson, AZ 85721, PRINGLE, Patrick, Dept. of Earth Science, Centralia College, 600 West Locust, Centralia, WA 98531, SHERROD, Brian L., Earthquake Science Center, U.S. Geological Survey, University of Washington, Box 351310, Seattle, WA 98195, ANGSTER, Stephen, U.S. Geological Survey, Earthquake Science Center, UNIVERSITY OF WASHINGTON, Seattle, WA 98195 and JOHNS, Wes, Geology Department, Western Washington University, Bellingham, WA 98225