Detection of Aeromagnetic Field Changes Using an Unmanned Autonomous Helicopter: Repeated Experiments at Tarumae Volcano (Japan)

Takeshi Hashimoto, Institute of Seismology and Volcanology, Hokkaido University, Sapporo, Japan, Takao Koyama, Earthquake Research Institute (ERI), University of Tokyo, Tokyo, Japan, Takatoshi Yanagisawa, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, Mitsuhiro Yoshimoto, Mount Fuji Research Institute, Fujiyoshida, Japan, Takao Ohminato, University of Tokyo, Bunkyo-ku, Japan and Takayuki Kaneko, Univ Tokyo, Tokyo, Japan