Lamont-Doherty Earth Observatory of Columbia University, 61 Route 9W, Palisades, NY 10964 United States
Department of Geology and Geophysics, School of Ocean Earth Science and Technology, University of Hawaii, 1680 East-West Road, Honolulu, HI 96822 United States ;
Hawaii Institute of Geophysics and Planetology, School of Ocean and Earth Science and Technology, University of Hawaii, 1680 East-West Road, Honolulu, HI 96822 United States ;
Geophysical Institute, University of Alaska, 903 Koyukuk Drive, Fairbanks, AK 99775 United States ;