1. Colorado School of Mines, Department of Geophysics, Golden, Colorado, USA..
2. Colorado School of Mines, Department of Geophysics, Golden, Colorado, USA and Université de Savoie, ISTerre, CNRS, UMR CNRS 5275, Le Bourget du Lac, France..
3. Colorado School of Mines, Department of Civil and Environmental Engineering, Golden, Colorado, USA..
4. Rutgers–Newark, Department of Earth and Environmental Sciences, Newark, New Jersey, USA..
5. Oklahoma State University, Boone Pickens School of Geology, Stillwater, Oklahoma, USA..