Akito Araya², Daisuke Oka³, Yoichi Fukuda¹, Yuichi Aoyama¹, Akihisa Hattori⁴, Jun Nishijima⁵, Jun'ichi Okuno¹, *Koichiro Doi¹ (1.National Institute of Polar Research, 2.Earthquake Research Institute, University of Tokyo, 3.Hokkaido Research Organization, 4.The Graduate University for Advanced Studies, SOKENDAI, 5.Faculty of Engineering, Kyushu University)

*Yoichi Fukuda¹, Jun Nishijima², Takahito Kazama³, Kazuki Nakamura⁴, Koichiro Doi¹, Yusuke Suganuma¹, Jun'ichi Okuno¹, Akito Araya⁵, Heitaro Kaneda⁶, Yuichi Aoyama¹, Hideki Miura¹ (1.National Institute of Polar Research, 2.Graduate School of Engineering, Kyushu University, 3.Graduate School of Science, Kyoto University, 4.Faculty of Engineering, Nihon University, 5.ERI, University of Tokyo, 6.Faculty of Science and Engineering, Chuo University)

*Tianyan Shi¹, Yoichi Fukuda², Koichiro Doi^1,2, Jun'ichi Okuno^1,2 (1.Department of Polar Science, Gradualate University for Advanced studies School of Multidisciplinary Sciences, 2.National Institute of Polar Research)

*Keiko Yamamoto¹, Jun'ichi Okuno², Koichiro Doi², Yoichi Fukuda² (1.National Astronomical Observatory of Japan, 2.National Institute of Polar Research)