*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)