Authors:Kentaro Kasamatsu; Hiroaki Yamanaka Shin’ichi Sakai Abstract: We propose a new waveform inversion method to estimate the 2D S-wave velocity structure of deep sedimentary layers using broadband Love waves. As a preprocessing operation in our inversion scheme, we decompose... PubDate: 2021-01-12T00:00:00Z
Authors:Naoki Hirakawa; Yoko Kebukawa, Yoshihiro Furukawa, Masashi Kondo, Hideyuki Nakano Kensei Kobayashi Abstract: Early evolution of Solar System small bodies proceeded through interactions of mineral and water. Melting of water ice accreted with mineral particles to the parent body results in the formation of secondary m... PubDate: 2021-01-11T00:00:00Z
Authors:Shunsuke Takemura; Kazuo Yoshimoto Katsuhiko Shiomi Abstract: We conducted centroid moment tensor (CMT) inversions of moderate (Mw 4.5–6.5) earthquakes in the Kanto region, Japan, using a local three-dimensional (3D) model. We then investigated the effects of our 3D CMT sol... PubDate: 2021-01-11T00:00:00Z
Authors:Taishi Yamada; Aika K. Kurokawa, Akihiko Terada, Wataru Kanda, Hideki Ueda, Hiroshi Aoyama, Takahiro Ohkura, Yasuo Ogawa Toshikazu Tanada Abstract: Kusatsu-Shirane volcano hosts numerous thermal springs, fumaroles, and the crater lake of Yugama. Hence, it has been a particular study field for hydrothermal systems and phreatic eruptions. On 23 January 2018... PubDate: 2021-01-11T00:00:00Z
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