Martin Patriat, IFREMER, Nouméa, New Caledonia, Trevor Falloon, Univ Tasmania, Hobart, Australia, Leonid V Danyushevsky, CODES, University of Tasmania, Hobart, TAS, Australia, Julien Collot, DIMENC, Geological Survey of New Caledonia, Nouméa, New Caledonia, Marlon M Jean, University of Alaska-Anchorage, Department of Geological Sciences, Anchorage, AK, United States, Kaj Hoernle, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, Folkmar Hauff, GEOMAR, Kiel, Germany, Roland Maas, University of Melbourne, School of Earth Sciences, Melbourne, Australia, Jon D Woodhead, Univ Melbourne, Melbourne, Australia and Sandrin T Feig, University of Tasmania, Hobart, Australia