*Kunihiro KEIKA¹、Kanako SEKI¹、Masahito NOSE²、Shinobu MACHIDA¹、Louis J. LANZEROTTI³、Donald G. MITCHELL⁴、Matina GKIOULIDOU⁴、Aleksandir UKHORSKIY⁴ (1.Solar-Terrestrial Environment Laboratory, Nagoya University、2.World Data Center for Geomagnetism, Kyoto University、3.New Jersey Institute of Technology、4.Applied Physics Laboratory, Johns Hopkins University)