Wiebke Heise¹, T. Grant Caldwell¹, Edward Alan Bertrand¹, Yasuo Ogawa², Stephen C Bannister¹, Garth Archibald³, Stewart L Bennie¹, Rory J.A. Hart¹, Neville Palmer¹, Kaori Seki⁴, Masato Fukai⁴, Masaki Ishikawa⁴, Tatsuji Nishizawa⁴, Kuo Hsuan Tseng⁴ and Jack McGrath⁵, (1)GNS Science, Lower Hutt, New Zealand, (2)Volcanic Fluid Research Center, Tokyo Institute of Technology, Tokyo, Japan, (3)GNS Science-Institute of Geological and Nuclear Sciences Ltd, Lower Hutt, New Zealand, (4)Tokyo Institute of Technology, Tokyo, Japan, (5)COMET, University of Leeds, School of Earth and Environment, Leeds, United Kingdom

Srisharan Shreedharan, Pennsylvania State University Main Campus, University Park, PA, United States, Chris Marone, Pennsylvania State University, Department of Geosciences, University Park, PA, United States, Demian M Saffer, Pennsylvania State University, University Park, PA, United States and Laura M Wallace, University of Texas at Austin, Institute for Geophysics, Austin, United States

Andrea Perez¹, Yoshihiro Kaneko^2,3, Martha K Savage⁴, Laura M Wallace^2,5, Duo Li⁶ and Charles A Williams Jr², (1)Victoria University of Wellington, Wellington, New Zealand, (2)GNS Science, Lower Hutt, New Zealand, (3)Kyoto University, Graduate School of Science, Kyoto, Japan, (4)Victoria University of Wellington, School of Geography, Environment and Earth Science, Wellington, New Zealand, (5)University of Texas at Austin, Institute for Geophysics, Austin, United States, (6)Ludwig Maximilians University of Munich, Earth and Environmental Sciences, Munich, Germany

Katherine Woods¹, Laura M Wallace^2,3, Spahr C Webb⁴, Yoshihiro Ito⁵, Martha K Savage⁶, C David Chadwell⁷, Charles A Williams Jr³, Ryota Hino⁸, Kimihiro Mochizuki⁹, Emily Warren-Smith³ and Daniel H N Barker³, (1)Victoria University of Wellington, Wellington, New Zealand, (2)University of Texas at Austin, Institute for Geophysics, Austin, United States, (3)GNS Science, Lower Hutt, New Zealand, (4)Lamont Doherty Earth Observatory, Palisades, NY, United States, (5)Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan, (6)Victoria University of Wellington, School of Geography, Environment and Earth Science, Wellington, New Zealand, (7)University of California San Diego, La Jolla, CA, United States, (8)Tohoku University, Graduate School of Science, Sendai, Japan, (9)University of Tokyo, Earthquake Research Institute, Bunkyo-ku, Japan

Ryuta Arai¹, Shuichi Kodaira¹, Stuart A Henrys², Nathan L Bangs³, Koichiro Obana¹, Gou Fujie¹, Seiichi Miura¹, Daniel H N Barker², Dan Bassett², Rebecca E Bell⁴, Kimihiro Mochizuki⁵, Richard L Kellett², Valerie Stucker², Bill Fry² and NZ3D Team, (1)Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokohama, Japan, (2)GNS Science, Lower Hutt, New Zealand, (3)Univ Texas, Institute for Geophysics, Austin, TX, United States, (4)Imperial College London, London, United Kingdom, (5)University of Tokyo, Earthquake Research Institute, Bunkyo-ku, Japan

Irita Evelyn Aylward, University of Washington Seattle, Seattle, WA, United States, Evan A Solomon, Univ Washington, Seattle, WA, United States, Marta E Torres, Oregon State Univ, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, Theresa L Whorley, University of Washington Seattle Campus, School of Oceanography, Seattle, WA, United States, Robert N Harris, Oregon State University, Corvallis, OR, United States, Jess Hillman, GNS Science, Lower Hutt, New Zealand and Brendan Thomas Philip, University of Washington, Seattle, WA, United States

Georg F Zellmer, Massey University, Volcanic Risk Solutions, Palmeston North, New Zealand, Jun-Ichi Kimura, JAMSTEC, Yokosuka, Japan, Claudine H Stirling, University of Otago, Dunedin, New Zealand, Gert Lube, Massey University, School of Environment and Agriculture, Palmeston North, New Zealand, Philip A R Shane, Univ Auckland, Auckland, New Zealand and Yoshiyuki Iizuka, Academia Sinica, Institute of Earth Sciences, Taipei, Taiwan

Gabe S Epstein¹, Gray E Bebout¹, Bruce W Christenson², Hirochika Sumino³, Ikuko Wada⁴, Cynthia A Werner⁵ and David R Hilton⁶, (1)Lehigh University, Dept. Earth and Environmental Sciences, Bethlehem, PA, United States, (2)GNS Science-Institute of Geological and Nuclear Sciences Ltd, National Isotope Centre, Lower Hutt, New Zealand, (3)Geochemical Research Center, Graduate School of Science, University of Tokyo, Tokyo, Japan, (4)Department of Earth Sciences, Minneapolis, MN, United States, (5)USGS Alaska Science Center, Anchorage, AK, United States, (6)Univ California San Diego, La Jolla, CA, United States