1. Georgia Institute of Technology, School of Civil and Environmental Engineering, 790 Atlantic Dr., Atlanta GA 30332-0355
2. University of California Berkeley, Department of Architecture, 232 Wurster Hall, Berkeley, CA 74720-1800
3. University of Washington, Department of Civil and Environmental Engineering, 233 More Hall, Seattle, WA 98195-2700
4. Earthquake Science Center, US Geological Survey, MS977, 345 Middlefield Rd., Menlo Park, CA 94025