1. Professor, Center for Natural and Technological Hazards, Dept. of Geography, Univ. of Utah, Salt Lake City, UT 84108 (corresponding author).
2. Assistant Professor, Dept. of Geography, South Dakota State Univ., Brookings, SD 57007.
3. Associate Professor, Emergency Management and Disaster Science, Univ. of North Texas, Denton, TX 76203.
4. Professor, Dept. of Psychology, Univ. of Utah, Salt Lake City, UT 84108.