1. Department of Civil and Environmental EngineeringStanford UniversityStanford California USA
2. Geoscience Research and Applications Group, Sandia National LaboratoriesAlbuquerque New Mexico USA
3. Department of Civil and Environmental EngineeringUniversity of TexasAustin Texas USA
4. Department of Civil and Environmental EngineeringUniversity of IllinoisUrbana‐Champaign Illinois USA