12:30 PM - 12:45 PM
*Akira KADOKURA1, Yoko FUKUDA2, Tomofumi I3, Kohei MIYAJI4, Hiroshi MIYAOKA1, Natsuo SATO1 (1.NIPR, 2.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 3.Kakioka Magnetic Observatory,Japan Meteorological Agency, 4.Graduate School of Science, Nagoya University)