Thomas Jacques Aubry, University of Cambridge, Geography, Cambridge, United Kingdom, Samantha L Engwell, University of Bristol, Bristol, United Kingdom, Costanza Bonnadona, University of Geneva, Geneva, Switzerland, David M Pyle, University of Oxford, Department of Earth Sciences, Oxford, United Kingdom, Guillaume Carazzo, Institut de Physique du Globe de Paris, Paris, France and Mark Jellinek, Univ British Columbia, Vancouver, BC, Canada