Kohei Hotta, Shigekazu Kusumoto, Hidenori Takahashi, Yuichi S. Hayakawa. Deformation source revealed from leveling survey in Jigokudani valley, Tateyama volcano, Japan. Earth, Planets and Space. 2022. 74. 1
Kohei Hotta, Masato Iguchi. Tilt and strain change during the explosion at Minami-dake, Sakurajima, on November 13, 2017. Earth, Planets and Space. 2021. 73. 1