Shin’ya Onizawa

Two electrical conductors beneath Kusatsu-Shirane volcano, Japan, imaged by audiomagnetotellurics, and their implications for the hydrothermal system

Nurhasan Nurhasan, Yasuo Ogawa, Naoto Ujihara et al. · Earth Planets and Space · 2006 · 98 citations · Full text

Magmatic Process, Volcanology, Engineering +17

A method for simultaneous velocity and density inversion and its application to exploration of subsurface structure beneath Izu-Oshima volcano, Japan

Shin’ya Onizawa, Hitoshi Mikada, Hidefumi Watanabe et al. · Earth Planets and Space · 2014 · 43 citations · Full text

Applied Geophysics, Volcanology, Engineering +18

Three‐dimensional <i>P</i>‐wave velocity structure of Iwate volcano, Japan from active seismic survey

Satoru Tanaka, H Hamaguchi, Takeshi Nishimura et al. · Geophysical Research Letters · 2002 · 42 citations · Full text

Volcanology, Active Seismic Survey, Engineering +20

The 2018 phreatic eruption at Mt. Motoshirane of Kusatsu–Shirane volcano, Japan: eruption and intrusion of hydrothermal fluid observed by a borehole tiltmeter network

Akihiko Terada, Wataru Kanda, Yasuo Ogawa et al. · Earth Planets and Space · 2021 · 38 citations · Full text

Volcanology, Engineering, Volcanism +17

P-wave velocity structure of Usu volcano: Implication of structural controls on magma movements and eruption locations

Shin’ya Onizawa, Hiromitsu Oshima, Hiroshi Aoyama et al. · Journal of Volcanology and Geothermal Research · 2006 · 27 citations

Geophysics, P-wave Velocity Structure, Volcano Monitoring +10