Idowu Ajibade, Portland State University, Geography, Portland, United States and Jonathan H Fink, Portland State University, Portland, OR, United States

Alison Rust, University of Bristol, Bristol, BS8, United Kingdom, Katharine V Cashman, University of Bristol, Bristol, United Kingdom and Emma J Liu, University College London, Earth Sciences, London, United Kingdom

Setsuya Nakada¹, Eisuke Fujita¹, Yuichi Morita² and Fukashi Maeno², (1)National Research Institute for Earth Science and Disaster Resilience, Tsukuba, Japan, (2)Earthquake Research Institute, University of Tokyo, Tokyo, Japan

Frances Beckett¹, Claire S Witham², Susan J Leadbetter¹, Ric Crocker¹, Helen N Webster¹, Matthew Hort¹, Andrew R Jones¹, Benjamin J Devenish¹ and David Thomson¹, (1)Met Office, Exeter, United Kingdom, (2)U.K. Met Office, Exeter, United Kingdom

Lucia Profeta, Kerstin Lehnert, Juan David Figueroa, Peng Ji, Annika Johansson, Neville Shane, Lulin Song and Hannah Sweets, Columbia University, Lamont-Doherty Earth Observatory, Palisades, NY, United States

Florian Max M Schwandner¹, Joshua Fisher², Chad Daniel Deering³, Jennifer L Lewicki⁴, Ryan Pavlick², Christopher Harpel⁵, Robert Bogue⁶, Georgios Matheou⁷, Charles E Miller², Jorge Andres Diaz⁸, David C Pieri⁹, Maarten J de Moor¹⁰, Eliecer A Duarte¹¹, Fiona Soper¹², Benton Neil Taylor¹³ and Snehamoy Chatterjee¹⁴, (1)NASA Ames Research Center, Earth Science Division, Moffett Field, CA, United States, (2)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (3)Michigan Technological University, Department of Geological and Mining Engineering & Sciences, Houghton, MI, United States, (4)USGS Volcano Science Center, Menlo Park, CA, United States, (5)USGS Cascades Volcano Observatory, Vancouver, WA, United States, (6)McGill University, Department of Earth and Planetary Sciences, Montreal, QC, Canada, (7)University of Connecticut, Department of Mechanical Engineering, Groton, CT, United States, (8)Gas Lab, CICANUM, Universidad de Costa Rica, San Jose, Costa Rica, (9)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (10)OVSICORI-UNA, Heredia, Costa Rica, (11)Universidad Nacional de Costa Rica, Observatory of Volcanology and Seismology (OVSICORI), Heredia, Costa Rica, (12)McGill University, Department of Biology, Montreal, QC, Canada, (13)Harvard University, Department of Organismic & Evolutionary Biology, Cambridge, MD, United States, (14)Michigan Technological University, Geological and Mining Engineering and Sciences, Houghton, MI, United States

Nick Gorkavyi¹, Nickolay Anatoly Krotkov², Can Li³, Leslie R Lait⁴, Alexander P Vasilkov¹, Peter Richard Colarco⁵, Joanna Joiner⁵ and Mark R Schoeberl⁶, (1)Science Systems and Applications, Inc., Lanham, MD, United States, (2)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (3)Earth System Science Interdisciplinary Center, College PARK, MD, United States, (4)NASA Goddard Space Flt Cntr, Greenbelt, MD, United States, (5)NASA GSFC, Greenbelt, MD, United States, (6)Science and Technology Corporation, Boulder, CO, United States

Graham D Andrews¹, Shelby Lee Isom¹, Stuart M. Kenderes², Alan G Whittington³, Sarah R Brown⁴, Kailee J Gokey⁵ and Holly Pettus Pettus⁵, (1)West Virginia University, Department of Geology and Geography, Morgantown, WV, United States, (2)University of Missouri, Columbia, Besancon, France, (3)University of Texas at San Antonio, Geological Sciences, San Antonio, TX, United States, (4)West Virginia Geological and Economic Survey, Morgantown, WV, United States, (5)West Virginia University, Department of Geology & Geography, Morgantown, WV, United States