Eruption sequence of the Hunga Tonga-Hunga Ha’apai volcano from back-projection analysis of teleseismic P waves

Kazunori Yoshizawa, Hokkaido University, Dept of Earth & Planetary Sciences, Faculty of Science, Sapporo, Japan and Kotaro Tarumi, Hokkaido University, Dept Natural History Sciences, Graduate School of Science, Sapporo, Japan