Department of Earth Sciences, University of Bristol, Wills Memorial Building, Queen's Road, Bristol, BS81RJ United Kingdom ; Istituto Nazionale di Geofisica e Vulcanologia, Via Diocleziano, 328, Napoli, 80124 Italy
Department of Earth Sciences, University of Bristol, Wills Memorial Building, Queen's Road, Bristol, BS81RJ United Kingdom ; Institute of Mechanics, Moscow State University, 1-Michurinskii prospect, Moscow, 119192 Russian Federation
Department of Earth Sciences, University of Bristol, Wills Memorial Building, Queen's Road, Bristol, BS81RJ United Kingdom
Institute of Mechanics, Moscow State University, 1-Michurinskii prospect, Moscow, 119192 Russian Federation