Audra Meaghan Sawyer, University of North Carolina at Wilmington, Wilmington, NC, United States, Scott L Nooner, University of North Carolina at Wilmington, Dept of Earth and Ocean Sciences, Wilmington, NC, United States, William W. Chadwick Jr, NOAA PMEL Earth Ocean Interactions Program, Newport, OR, United States and TK Lau, NOAA Newport, Newport, OR, United States