Etsuro Koyama

High resolution imaging in the inhomogeneous crust with cosmic-ray muon radiography: The density structure below the volcanic crater floor of Mt. Asama, Japan

Hirofumi Tanaka, Takayoshi Nakano, S. Takahashi et al. · Earth and Planetary Science Letters · 2007 · 221 citations

Natural Sciences, Earth Sciences, Geophysics +10

Detecting a mass change inside a volcano by cosmic‐ray muon radiography (muography): First results from measurements at Asama volcano, Japan

Hiroyuki Tanaka, T. Uchida, M. Tanaka et al. · Geophysical Research Letters · 2009 · 86 citations · Full text

Natural Sciences, Earth Sciences, Geophysics +13

Vulcanian eruptions with dominant single force components observed during the Asama 2004 volcanic activity in Japan

Takao Ohminato, Minoru Takeo, Hiroyuki Kumagai et al. · Earth Planets and Space · 2006 · 77 citations · Full text

Natural Sciences, Earth Sciences, Geophysics +12

Absolute gravity change associated with magma mass movement in the conduit of Asama Volcano (Central Japan), revealed by physical modeling of hydrological gravity disturbances

Takahito Kazama, Shuhei Okubo, Takayuki Sugano et al. · Journal of Geophysical Research Solid Earth · 2015 · 31 citations · Full text

Natural Sciences, Earth Sciences, Hydrology +15

Ground uplift detected by precise leveling in the Ontake earthquake swarm area, central Japan in 2002–2004

Fumiaki Kimata, Rikio Miyajima, Masayuki Murase et al. · Earth Planets and Space · 2014 · 20 citations · Full text

Natural Sciences, Earth Sciences, Geophysics +17