GNSS-TEC observations of infrasound excited by a volcanic eruption: Inference of wave front geometry and acoustic wave energy

Yuki Nakashima, Hokkaido University, Institute of Seismology and Volcanology, Sapporo, Japan, Yosuke Aoki, University of Tokyo, Bunkyo-ku, Japan, Kiwamu Nishida, Earthquake Research Institute, The University of Tokyo, Tokyo, Japan and Kosuke Heki, Hokkaido University, Sapporo, Japan