Redmond Stein, Columbia University, Lamont-Doherty Earth Observatory, Palisades, NY, United States, William J D'Andrea, Lamont-Doherty Earth Observatory, Columbia University, Palisades, United States, Nicholas L Balascio, College of William and Mary, Williamsburg, United States, Raymond S Bradley, University of Massachusetts Amherst, Geosciences, Amherst, MA, United States, Lorelei Curtin, Bucknell University, Geology & Environmental Geosciences, Lewisburg, United States, Dorothy M Peteet, NASA Goddard Institute for Space Studies, New York, NY, United States, Andrea Seelenfreund, Universidad Academia de Humanismo Cristiano, Anthropology, Santiago, Chile and Rafael Rapu, Ma'u Henua, Archaeology, Rapa Nui, Chile