St. Anthony Falls Laboratory and National Center for Earth-Surface Dynamics, Department of Civil Engineering, University of Minnesota, 2 3rd Avenue SE, Minneapolis, MN 55414, United States
Departement de Mathematiques, Ecole Normale Superieure de Cachan, Batiment Laplace 1er etage, 61 Avenue du President Wilson, Cachan, 94230, France
St. Anthony Falls Laboratory and National Center for Earth-Surface Dynamics, Department of Civil Engineering, University of Minnesota, 2 3rd Avenue SE, Minneapolis, MN 55414, United States
Department of Electrical Engineering, University of Minnesota, 200 Union Street SE, Minneapolis, MN 55455, United States
Department of Earth and Planetary Science, University of California, Berkeley, McCone Hall, Berkeley, CA 94720, United States