editor-in-chief, Haraldur Sigurdsson, Graduate School of Oceanography, University of Rhode Island, Narragansett, RI, USA ; associate editors, Bruce Houghton, National Disaster Preparedness Training Center, University of Hawaiʻi, Honolulu, HI, USA ; Stephen R. McNutt, School of Geosciences, University of South Florida, Tampa, FL, USA, Hazel Rymer, Faculty of Science, the Open University, Walton Hall, Milton Keynes, UK, John Stix, Department of Earth & Planetary Sciences, McGill University, Montreal, Quebec, Canada