Magma pathway opening before the 2018 eruption at Sierra Negra volcano, Galapagos, revealed by tremor location and local earthquake tomography
Ka Lok Li1, Meysam Rezaeifar2, Christopher J Bean2, James Grannell2, Andrew Forbes Bell3, Mario Calixto Ruiz4, Stephen Hernandez4 and Martin Möllhoff5, (1)Dublin Institute for Advanced Studies, School of Cosmic Physics, Geophysics Section, Dublin, Ireland, (2)Dublin Institute for Advanced Studies, Dublin, Ireland, (3)University of Edinburgh, School of Earth Sciences, Edinburgh, United Kingdom, (4)Escuela Politécnica Nacional, Instituto Geofísico, Quito, Ecuador, (5)Univ College Dublin, Dublin, Ireland
