Garry D. Karner is senior research scientist in marine geology and geophysics at Columbia University's Lamont Doherty Earth Observatory. Brian Taylor is a professor in the Department of Geology and Geophysics at the University of Hawaii at Manoa. Neal W. Driscoll is a professor in the Geosciences Research Division at the Scripps Institution of Oceanography. David L. Kohlstedt is a professor of geology and geophysics at the University of Minnesota.