Koki AIZAWA
Koki AIZAWA
Verified email at sevo.kyushu-u.ac.jp
TitleCited byYear
Groundwater flow and hydrothermal systems within volcanic edifices: Delineation by electric self‐potential and magnetotellurics
K Aizawa, Y Ogawa, T Ishido
Journal of Geophysical Research: Solid Earth 114 (B1), 2009
812009
Hydrothermal system beneath Mt. Fuji volcano inferred from magnetotellurics and electric self-potential
K Aizawa, R Yoshimura, N Oshiman, K Yamazaki, T Uto, Y Ogawa, ...
Earth and Planetary Science Letters 235 (1-2), 343-355, 2005
592005
Shallow resistivity structure of Asama Volcano and its implications for magma ascent process in the 2004 eruption
K Aizawa, Y Ogawa, T Hashimoto, T Koyama, W Kanda, Y Yamaya, ...
Journal of Volcanology and Geothermal Research 173 (3-4), 165-177, 2008
412008
Splitting of the Philippine Sea Plate and a magma chamber beneath Mt. Fuji
K Aizawa, R Yoshimura, N Oshiman
Geophysical Research Letters 31 (9), 2004
372004
Temporal changes in electrical resistivity at Sakurajima volcano from continuous magnetotelluric observations
K Aizawa, W Kanda, Y Ogawa, M Iguchi, A Yokoo, H Yakiwara, T Sugano
Journal of Volcanology and Geothermal Research 199 (1-2), 165-175, 2011
362011
Three‐dimensional resistivity structure and magma plumbing system of the Kirishima Volcanoes as inferred from broadband magnetotelluric data
K Aizawa, T Koyama, H Hase, M Uyeshima, W Kanda, M Utsugi, ...
Journal of Geophysical Research: Solid Earth 119 (1), 198-215, 2014
352014
Classification of self-potential anomalies on volcanoes and possible interpretations for their subsurface structure
K Aizawa
Journal of Volcanology and Geothermal Research 175 (3), 253-268, 2008
302008
A large self‐potential anomaly and its changes on the quiet Mt. Fuji, Japan
K Aizawa
Geophysical Research Letters 31 (5), 2004
302004
Multiparametric observation of volcanic lightning: Sakurajima Volcano, Japan
C Cimarelli, MA Alatorre‐IbargŁengoitia, K Aizawa, A Yokoo, ...
Geophysical Research Letters 43 (9), 4221-4228, 2016
252016
Zeta potential estimation of volcanic rocks on 11 island arc‐type volcanoes in Japan: Implication for the generation of local self‐potential anomalies
K Aizawa, M Uyeshima, K Nogami
Journal of Geophysical Research: Solid Earth 113 (B2), 2008
242008
Physical properties of volcanic lightning: Constraints from magnetotelluric and video observations at Sakurajima volcano, Japan
K Aizawa, C Cimarelli, MA Alatorre-IbargŁengoitia, A Yokoo, DB Dingwell, ...
Earth and Planetary Science Letters 444, 45-55, 2016
232016
Three-dimensional resistivity structure of Asama Volcano revealed by data-space magnetotelluric inversion using unstructured tetrahedral elements
Y Usui, Y Ogawa, K Aizawa, W Kanda, T Hashimoto, T Koyama, ...
Geophysical Journal International 208 (3), 1359-1372, 2016
182016
Magnetotelluric pulses generated by volcanic lightning at Sakurajima volcano, Japan
K Aizawa, A Yokoo, W Kanda, Y Ogawa, M Iguchi
Geophysical Research Letters 37 (17), 2010
182010
Structural controls on the 1998 volcanic unrest at Iwate volcano: Relationship between a shallow, electrically resistive body and the possible ascent route of magmatic fluid
K Aizawa, Y Ogawa, M Mishina, K Takahashi, S Nagaoka, N Takagi, ...
Journal of Volcanology and Geothermal Research 187 (1-2), 131-139, 2009
182009
Magnetotelluric transect across the Niigata‐Kobe Tectonic Zone, central Japan: A clear correlation between strain accumulation and resistivity structure
R Yoshimura, N Oshiman, M Uyeshima, H Toh, T Uto, H Kanezaki, ...
Geophysical research letters 36 (20), 2009
182009
Gas pathways and remotely triggered earthquakes beneath Mount Fuji, Japan
K Aizawa, H Sumino, M Uyeshima, Y Yamaya, H Hase, HA Takahashi, ...
Geology 44 (2), 127-130, 2016
132016
Magnetotelluric and temperature monitoring after the 2011 sub-Plinian eruptions of Shinmoe-dake volcano
K Aizawa, T Koyama, M Uyeshima, H Hase, T Hashimoto, W Kanda, ...
Earth, Planets and Space 65 (6), 6, 2013
122013
Modification of the Network-MT method and its first application in imaging the deep conductivity structure beneath the Kii Peninsula, southwestern Japan
S Yamaguchi, M Uyeshima, H Murakami, S Sutoh, D Tanigawa, T Ogawa, ...
Earth, planets and space 61 (8), 957-971, 2009
102009
Seismicity controlled by resistivity structure: the 2016 Kumamoto earthquakes, Kyushu Island, Japan
K Aizawa, H Asaue, K Koike, S Takakura, M Utsugi, H Inoue, R Yoshimura, ...
Earth, Planets and Space 69 (1), 4, 2017
82017
Urgent joint seismic observation of the 2016 Kumamoto earthquake—seismic activities and their background
H Shimizu, Y Iio, S Sakai, T Okada, H Takahashi, T Watanabe, K Goto, ...
JpGU Abst, 2016
62016
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