Yasuhiro Suzuki, Nagoya University, Nagoya, Japan, Takashi Nakata, Hiroshima University, Department of Geography, Hiroshima, Japan, Mitsuhisa Watanabe, Toyo University, Tokyo, Japan, Battulga Sukhee, The National University of Mongolia, Ulaanbaatar, Mongolia, Enkhtaivan Dangaa, Mongolian Academy of Science, Ulaanbaatar, Mongolia, Sodnomsambuu Demberel, Mongolian Academy of Sciences, Institute of Astronomy and Geophysics, Ulaanbaatar, Mongolia, Chimed Odonbaatar, Institute of Astronomy and Geophysics, Bayango District, Mongolia, Amgalan Bayasgalan, Leader Exploration LLC, Ulaanbaatar, Mongolia and Badral Tuvshin, The National Emergency Management Agency of Mongolia, Ulaanbaatar, Mongolia