David Felton Porter, Columbia University of New York, Palisades, NY, United States, Kirsty J Tinto, Columbia University, Palisades, NY, United States, Robin Elizabeth Bell, Lamont -Doherty Earth Observatory, Palisades, NY, United States, Stefan Elieff, Sander Geophysics, Ottawa, ON, Canada, Caitlin Dieck Locke, Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, United States, Fabio Caratori Tontini, GNS Science, Lower Hutt, New Zealand and Nigel Brady, NOAA Denver, DENVER, CO, United States