1. Design Engineer, Technip, 11700 Katy Freeway, Houston, TX 77079.
2. Ph.D. Candidate, NatHaz Modeling Laboratory, Dept. of Civil and Environmental Engineering and Earth Sciences, Univ. of Notre Dame, Notre Dame, IN 46556 (corresponding author).
3. Robert M. Moran Professor, NatHaz Modeling Laboratory, Dept. of Civil and Environmental Engineering and Earth Sciences, Univ. of Notre Dame, Notre Dame, IN 46556.