1. Professor, Dept. of City and Regional Planning, New East Bldg., Institute for the Environment, Univ. of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3140 (corresponding author).
2. Executive Director, Center for the Study of Natural Hazards and Disasters, Univ. of North Carolina at Chapel Hill, 100 Europa Drive, Suite 540, Chapel Hill, NC 27517-7583.
3. Graduate Research Assistant, Dept. of City and Regional Planning and Institute for the Environment, Univ. of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3140.