1. Director, Center for Natural and Technological Hazards, and Associate Professor, Dept. of Geography, Univ. of Utah, Salt Lake City, UT 84112-9155 (corresponding author).
2. Associate Professor, Dept. of Psychology, Univ. of Utah, Salt Lake City, UT 84112-9155.
3. Research Assistant, Center for Natural and Technological Hazards and Dept. of Geography, Univ. of Utah, Salt Lake City, UT 84112-9155.
4. Research Assistant, Dept. of Psychology, Univ. of Utah, Salt Lake City, UT 84112-9155.