Ian D Bastow¹, Rita Kounoudis², Cynthia J Ebinger³, Martin Musila⁴, Saskia D B Goes⁵, Laurene Ville⁵, Atalay A Wondem⁶, Meghan Samanth Miller⁷, Pengzhe Zhou⁸ and Alistair Boyce⁸, (1)Imperial College London, Department of Earth Science and Engineering, London, SW7, United Kingdom, (2)University of Oxford, Department of Earth Sciences, Oxford, United Kingdom, (3)Tulane University, School of Science & Engineering, New Orleans, United States, (4)Tulane University, New Orleans, United States, (5)Imperial College London, Department of Earth Science and Engineering, London, United Kingdom, (6)Addis Ababa University, Institute of Geophysics, Space Science and Astronomy, Addis Ababa, Ethiopia, (7)Australian National University, Canberra, ACT, Australia, (8)Imperial College London, London, United Kingdom