Small-scale field-aligned currents and ionospheric disturbances induced by vertical acoustic resonance during the 2015 eruption of Chile's Calbuco volcano

Tadashi Aoyama1, Toshihiko Iyemori1, Kunihito Nakanishi1 and Michi Nishioka2, (1)Kyoto University, Graduate School of Science, Kyoto, Japan, (2)NICT National Institute of Information and Communications Technology, Tokyo, Japan