"Masuda, S.,Ogawa, Y.,Ichiki, M.","Imaging of NE Japan volcanic arc by wide-band magnetotellurics",,,,,,,2023,July "Ogawa, Y.,Masuda, S.,Ichiki M.","Magnetotelluric Imaging of NE Japan Volcanic Arc and Co-seismic Deformations during the 2011 Tohoku M9 Earthquake","AGU Fall meeting 2022",,,,,,2022,Dec. "Ichiki, M.,Kaida, T.,Ogawa, Y.,Usui, Y.","Revisiting Strait, Coastline and Oceanic Effects of Induction Vector: From the Viewpoint of Quadrature-phase Induction Vectors in NE Japan","AGU Fall meeting 2022",,,,,,2022,Dec. "Masuda, S.,Ogawa, Y.,Ichiki M.","International Joint Workshop on slow to-fast earthquakes 2022","EMIW 2022",,,,,,2022,Sept. "Keiichi Ishizu,Yasuo Ogawa,Keishi Nunohara,Noriyoshi Tsuchiya,Masahiro Ichiki,Hideaki Hase,Wataru Kanda,Shinya Sakanaka,Yoshimori Honkura,Yuta Hino,Kaori Seki,Kuo Hsuan Tseng,Yusuke Yamaya,Toru Mogi","Estimation of spatial distribution and fluid fraction of a potential supercritical geothermal reservoir by magnetotelluric data: a case study from Yuzawa geothermal field, NE Japan",,"Journal of Geophysical Research: Solid Earth","American Geophysical Union","Volume 127","Issue 2",,2022,Feb. "Keiichi Ishizu,Yasuo Ogawa,Keishi Nunohara,Noriyoshi Tsuchiya,Masahiro Ichiki,Hideaki Hase,Wataru Kanda,Shinya Sakanaka,Yoshimori Honkura,Yuta Hino,Kaori Seki,Kuo Hsuan Tseng,Yusuke Yamaya,Toru Mogi","Estimation of spatial distribution and fluid fraction of a potential supercritical geothermal reservoir by magnetotelluric data: a case study from Yuzawa geothermal field, NE Japan",,"AGU 2021 Fall meeting",,,,,2021,Dec. "Iwamori, H,Ueki, K.,Hoshide, T.,Sakuma, H.,Ichiki, M.,Watanabe, T.,Nakamura, M.,Nakamura, H.,Nishizawa, T.,Nakao, A.,Ogawa, Y.,Kuwatani, T.,Nagata, K.,Okada, T.,Takahashi, E","Simultaneous Analysis of Seismic Velocity and Electrical Conductivity in the Crust and the Uppermost Mantle: A forward Model and Inversion Based on Grid Search",,"Journal of Geophysical Research: Solid Earth",,,,,2021,Sept. "[ l, NY,TSENG Kuo-Hsuan,s [,Shinichi Takakura","3D imaging of NE Japan forearc: implications for fluid distribution and transport","JpGU-AGU Joint Meeting 2020",,,,,,2020,July "Aoi Motoyama,Masahiro Ichiki,Yasuo Ogawa,Makoto Uyeshima,Koichi Asamori,Toshihiro Uchida,Takao Koyama,Shin'ya Sakanaka,Hideaki Hase,Koki Aizawa,Yusuke Yamaya","A three-dimensional electrical conductivity model of the crust beneath the southern Tohoku district, NE Japan","JpGU-AGU Joint Meeting 2020",,,,,,2020,July "Yasuo OGAWA*,Masahiro ICHIKI","Electromagnetic Mapping of Geofluids Using Wideband Magnetotellurics: Implications for Seismogenesis","International Symposium Crustal Dynamics (ISCD-2): Toward Integrated View of Island Arc Seismogenesis",,,,,,2019,Mar. "Masato FUKAI,Yasuo OGAWA*,Kuo-Hsuan TSENG,Masahiro ICHIKI,Shinichi TAKAKURA","Magnetotelluric Imaging of Kitakami Mountains, Forearc of NE Japan, in Sereach for Water Wall","International Symposium Crustal Dynamics (ISCD-2): Toward Integrated View of Island Arc Seismogenesis",,,,,,2019,Mar. "Masahiro ICHIKI*,Toshiki KAIDA,Yasuo OGAWA","A 3-D Crust and Uppermost Mantle Electrical Conductivity Model of Subduction Zone Beneath NE Japan","International Symposium Crustal Dynamics (ISCD-2): Toward Integrated View of Island Arc Seismogenesis",,,,,,2019,Mar. "Yasuo OGAWA*,Masahiro ICHIKI","Electromagnetic Mapping of Geofluids Using Wideband Magnetotellurics: Implications for Seismogenesis","International Symposium Crustal Dynamics (ISCD-2): Toward Integrated View of Island Arc Seismogenesis",,,,,,2019,Mar. "Masahiro Ichiki,Toshiki Kaida,Yasuo Ogawa","Investigation of flow reverse towards backarc side in mantle wedge: Electrical conductivity distribution of subduction zone beneath the northern part of NE Japan","AGU fall meeting, Washington DC, 2018.12.",,,,,,2018,Dec. "Kinoshita, Y.,Ogawa, Y.,Ichiki, M.,Fuji-ta, K.,Yamaguchi, S.,Umeda, K.,Asamori, K.","3D Electromagnetic Imaging of Fluid Distribution Below the Kii Peninsula, SW Japan Forearc: Implications for plate coupling, non-volcanic tremor and hot springs","24th EM Induction Workshop, 13?20 Aug 2018 in Helsing?r, Denmark",,,,,,2018,Aug. "Fukai, M.,Ogawa, Y.,Tseng K.H.,Bertrand, E.A.,Kinoshita, Y.,Ichiki, M.","MT Observations in the Kitakami Mountains, NE Japan: Heavy current channelings and 3d resistivity model","24th EM Induction Workshop, 13?20 Aug 2018 in Helsing?r, Denmark.",,,,,,2018,Aug. "Yusuke Kinoshita,Yasuo Ogawa,Masahiro Ichiki,Satoru Yamaguchi,Kiyoshi Fujita,Koji Umeda,Koichi Asamori","3D Electromagnetic Imaging of Fluid Distribution Below the Kii Peninsula, SW Japan Forearc, AGU fall meeting, New Orleans, 2017.12.13.",,,,,,,2017,Dec. "Ichiki, M.,T. Kaida,T. Demachi,S. Hirahara,T. Nakayama,M. Yamamoto,S. Miura,T. Moriyama,M. Akutagawa,T. Kobayashi,S. Matsuura,S. Omori,K. Ono,S. Seki,W. Kanda,K. Seki,Y. Ogawa,M. Ushioda,M. Uyeshima","Audio-frequency magnetotelluric, and total magnetic intensity observations in 2014-2016, at Zao volcano, NE Japan","AGU fall meeting, New Orleans, 2017.12.12",,,,,,2017,Dec. "Yasuo Ogawa,Masahiro Ichiki","On the supercritical fluid under the brittle-ductile boundary imaged by magnetotelluric studies in NE Japan","39th New Zealand Geothermal Workshop, Rotorua, New Zealand, 2017.11.22-24",,,,,,2017,Nov. "Zenshiro Saito,Yasuo Ogawa,Masahiro Ichiki,Hideyuki Satoh","3d distribution of fluids and their origins in a seismogenic zone, Northern Miyagi, NE Japan","IAG-IASPEI 2017, Kobe, 2017.8.2.",,,,,,2017,Aug. "Yusuke Kinoshita,Yasuo Ogawa,Zenshiro Saito,Rina Noguchi,Kiyoshi Fuji-ta,Satoru Yamaguchi,Umeda Koji,Koichi Asamori,Masahiro Ichiki","Three-dimensional geofluid distribution of Kii Peninsula, SW Japan","JpGU-AGU joint meeting 2017, Chiba, 2017.5.23.",,,,,,2017,May "Zenshiro Saito,Yasuo Ogawa,Masahiro Ichiki,Hideyuki Satoh,Yusuke Kinoshita,Atsushi Suzuki,Puwis Amatyakul","3D magnetotelluric imaging of fluid distribution in a seismogenic region, Miyagi, NE Japan","JpGU-AGU joint meeting, Chiba, 2017.5.23.",,,,,,2017,May "Ichiki, M.,Ogawa, Y.,Kaida, T.,Demachi, T.,Hirahara, S.,Honkura, Y.,Ichihara, H.,Kanda, W.,Kono, T.,Koyama, T.,Matsushima, M.,Nakayama, T.,Suzuki, S.,Toh, H.,Uyeshima, M.","A mantle wedge flow model as revealed by three-dimensional electrical resistivity image beneath northeastern Japan","2015 AGU Fall Meeting",,,,,,2015,Dec. "Masahiro Ichiki,Yasuo Ogawa,Toshiki Kaida,Takao Koyama,Makoto Uyeshima,Tomotsugu Demachi,Satoshi Hirahara,Yoshimori Honkura,Wataru Kanda,Toshio Kono,Masaki Matsushima,Takashi Nakayama,Syuichi Suzuki,Hiroaki Toh","Electrical image of subduction zone beneath northeastern Japan",,"Journal of Geophysical Research",,,,,2015,Dec. "Hashimoto, T.,Kanda, W.,Utsugi, M.,Ichiki, M.","Long-term volcano-magnetic effects associated with phreatic eruptions","26th IUGG General Assembly 2015",,,,,,2015,June "Yasuo Ogawa,Masahiro Ichiki,Wataru Kanda,Masaaki Mishina,Koichi Asamori","Three-dimensional magnetotelluric imaging of crustal fluids and seismicity around Naruko volcano, NE Japan",,"Earth, Planets and Space",,"Vol. 66",,,2014,Dec. "Wang, L.,A. Hitchman,Y. Ogawa,W. Siripunvaraporn,M. Ichiki,K. Fuji-ta.","A 3-D resistivity model of the Australian continent using magnetometer array data",,"Geophysical Journal International",,"Vol. 198","No. 2","p. 1171-1186",2014,Aug. "Kenji Ohta,Kei Hirose,Masahiro Ichiki,Katsuya Shimizu,Nagayoshi Sata,Yasuo Ohishi","Electrical conductivities of pyrolitic mantle and MORB materials up to the lowermost mantle conditions",,"Earth and Planetary Science Letters",,"Vol. 289",,"pp. 497-502",2010,