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K

Koki Aizawa

kyushu university

31H指数
226论文数
2.7K被引数
收录论文 28
发表时间
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Temporal Change in Resistivity Structure Before and After the 2018 Small Phreatic Eruption Iwo-Yama Volcano, Kirishima Volcanic Complex, Japan2018年樱岛火山群火山伊沃山火山小规模喷发前后电阻率结构的时间变化
errGeophysical Research Letters
IF4.6
err2026-05-04
err0
errOAAI
errK. Aizawa; N. Matsushima; Y. Matsunaga
err分享
err收藏
Seismic moment efficiency reveals the potential for larger earthquakes after M6-class events地震矩效率揭示了M6级事件后发生更大地震的潜力
errScientific Reports
IF3.9
err2026-04-28
err0
errOAAI
errSatoshi Matsumoto; Koki Aizawa; Takeshi Matsushima
err分享
err收藏
Magma and Volatile Pathways Beneath Sakurajima Volcano From Self-Potential, Helium Isotopes, and Broadband Magnetotellurics樱岛火山下方岩浆和挥发性物质的路径：来自自电位、氦同位素和宽带大地电磁测深的数据
errGeophysical Research Letters
IF4.6
err2026-04-10
err0
errOAAI
errK. Aizawa; T. Koyama; H. Hase; M. Uyeshima; H. Sumino
err分享
err收藏
Thoracolumbar noncontiguous spinal fractures in surgically treated older patients with cervical spine injuries: incidence, risk factors, and impact on functional outcome手术治疗伴颈椎损伤的老年患者中，胸腰段非连续性脊柱骨折的发生率、危险因素及其对功能预后的影响
errEuropean Spine Journal
IF2.7
err2025-11-03
err0
PREAI
errTomoaki Shimizu; Keita Nakayama; Koki Aizawa; Reo Asai; Yusuke Eda; Shun Okuwaki; Takahiro Sunami; Yosuke Takeuchi; Ikuo Aita
err分享
err收藏
Early surgical stabilization reduces perioperative complications in older adults with thoracolumbar fractures from high-energy trauma: a propensity score–matched analysis早期手术固定可降低因高能量创伤导致胸腰椎骨折的老年患者围手术期并发症：一项倾向性评分匹配分析
errEuropean Spine Journal
IF2.7
err2025-10-18
err0
PREAI
errTomoaki Shimizu; Keita Nakayama; Shun Okuwaki; Takahiro Sunami; Koki Aizawa; Yusuke Eda; Reo Asai; Kei Onishi; Mai Inomoto; Yosuke Takeuchi; Ikuo Aita
err分享
err收藏
Three-dimensional resistivity structure beneath Beppu and Yufuin geothermal fields imaged by dense broad-band magnetotelluric observations由密集宽带大地电磁观测成像的别府和由布院地热田下方的三维电阻率结构
errEarth, Planets and Space
IF0
err2025-10-16
err0
errOAAI
errKoki Aizawa; Yuto Yamamoto; Asuma Wakabayashi; Dan Muramatsu; Satoru Aniya; Harutou Tanabe; Shiori Fujita; Azusa Shito; Takao Koyama; Ichiro Shiozaki; Masahiro Ichiki
err分享
err收藏
Three-dimensional resistivity structure and its relationship to the rupture of the 1997 Kagoshima earthquake doublet (Mw 6.1 and 6.0), Japan1997年日本鹿儿岛地震双震（Mw 6.1和6.0）的三维电阻率结构与断层破裂的关系
errTectonophysics
IF2.6
err2025-08-18
err0
PREAI
errKeita Matsunaga; Koki Aizawa; Koichi Asamori; Hiroki Ogawa; Mitsuru Utsugi; Ryokei Yoshimura; Ken'ichi Yamazaki; Kazunari Uchida; Takeshi Matsushima; Tomohiro Inoue; Kohei Yonemori; Hiromichi Shigematsu
err分享
err收藏
Three-Dimensional Electrical Resistivity Structure Beneath a Strain Concentration Area in the Back-Arc Side of the Northeastern Japan Arc
errJOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH
IF4.1
err2024-05-17
err2
errOAAI
errUsui, Yoshiya; Uyeshima, Makoto; Hase, Hideaki; Ichihara, Hiroshi; Aizawa, Koki; Koyama, Takao; Sakanaka, Shin'ya; Ogawa, Tsutomu; Yamaya, Yusuke; Nishitani, Tadashi; Asamori, Koichi; Ogawa, Yasuo; Yoshimura, Ryokei; Takakura, Shinichi; Mishina, Masaaki; Morita, Yuichi
err分享
err收藏
Vulcanian eruption processes inferred from volcanic glow analysis at Sakurajima volcano, Japan
errBULLETIN OF VOLCANOLOGY
IF3.2
err2023-06-27
err2
errOAAI
errMuramatsu, Dan; Aizawa, Koki; Yokoo, Akihiko; Tameguri, Takeshi; Iguchi, Masato
err分享
err收藏
Multi-parametric observations of intermittent hydrothermal water discharge in West Crater of Iwo-Yama volcano, Kirishima Volcanic Complex, Japan
errEARTH PLANETS AND SPACE
IF2.5
err2023-05-11
err1
errOAAI
errTanabe, Harutou; Matsushima, Takeshi; Aizawa, Koki; Muramatsu, Dan
err分享
err收藏
Evaluation of a potential supercritical geothermal system in the Kuju region, central Kyushu, Japan
errGEOTHERMICS
IF3.9
err2023-01-01
err3
PREAI
errKitamura, Keigo; Fujii, Yuki; Inagaki, Haruhiro; Aizawa, Koki; Ishibashi, Jun-ichiro; Saito, Hiroki; Fujimitsu, Yasuhiro
err分享
err收藏
Seismic velocity structure of Unzen Volcano, Japan, and relationship to the magma ascent route during eruptions in 1990-1995
errSCIENTIFIC REPORTS
IF3.9
err2021-11-17
err2
errOAAI
errMiyano, Kanta; Aizawa, Koki; Matsushima, Takeshi; Shito, Azusa; Shimizu, Hiroshi
err分享
err收藏
Hydrothermal and Magmatic System of a Volcanic Island Inferred From Magnetotellurics, Seismicity, Self-potential, and Thermal Image: An Example of Miyakejima (Japan)
errJOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH
IF4.1
err2021-06-09
err25
errOAAI
errGresse, Marceau; Uyeshima, Makoto; Koyama, Takao; Hase, Hideaki; Aizawa, Koki; Yamaya, Yusuke; Morita, Yuichi; Weller, Derek; Rung-Arunwan, Tawat; Kaneko, Takayuki; Sasai, Yoichi; Zlotnicki, Jacques; Ishido, Tsuneo; Ueda, Hideki; Hata, Maki
err分享
err收藏
Electrical Resistivity Structure Around the Atotsugawa Fault, Central Japan, Revealed by a New 2-D Inversion Method Combining Wideband-MT and Network-MT Data Sets
errJOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH
IF4.1
err2021-03-31
err6
PREAI
errUsui, Yoshiya; Uyeshima, Makoto; Ogawa, Tsutomu; Yoshimura, Ryokei; Oshiman, Naoto; Yamaguchi, Satoru; Toh, Hiroaki; Murakami, Hideki; Aizawa, Koki; Tanbo, Toshiya; Ogawa, Yasuo; Nishitani, Tadashi; Sakanaka, Shin'ya; Mishina, Masaaki; Satoh, Hideyuki; Goto, Tada-nori; Kasaya, Takafumi; Mogi, Toru; Yamaya, Yusuke; Shiozaki, Ichiro; Honkura, Yoshimori
err分享
err收藏
Electrical conductive fluid-rich zones and their influence on the earthquake initiation, growth, and arrest processes: observations from the 2016 Kumamoto earthquake sequence, Kyushu Island, Japan
errEARTH PLANETS AND SPACE
IF2.5
err2021-01-07
err16
errOAAI
errAizawa, Koki; Takakura, Shinichi; Asaue, Hisafumi; Koike, Katsuaki; Yoshimura, Ryokei; Yamazaki, Ken'ichi; Komatsu, Shintaro; Utsugi, Mitsuru; Inoue, Hiroyuki; Tsukamoto, Kaori; Uyeshima, Makoto; Koyama, Takao; Kanda, Wataru; Yoshinaga, Tohru; Matsushima, Nobuo; Uchida, Kazunari; Tsukashima, Yuko; Matsushima, Takeshi; Ichihara, Hiroshi; Muramatsu, Dan; Teguri, Yoshiko; Shito, Azusa; Matsumoto, Satoshi; Shimizu, Hiroshi
err分享
err收藏
Numerical simulations to explain the coseismic electromagnetic signals: a case study for a M5.4 aftershock of the 2016 Kumamoto earthquake
errEARTH PLANETS AND SPACE
IF2.5
err2019-12-27
err16
errOAAI
errSun, Yao-Chong; Uyeshima, Makoto; Ren, Hengxin; Huang, Qinghua; Aizawa, Koki; Tsukamoto, Kaori; Kanda, Wataru; Seki, Kaori; Kishita, Takahiro; Ohminato, Takao; Watanabe, Atsushi; Ran, Jiangjun; Chen, Xiaofei
err分享
err收藏
Magnetotelluric transect of Unzen graben, Japan: conductors associated with normal faults
errEARTH PLANETS AND SPACE
IF2.5
err2019-03-04
err12
errOAAI
errTriahadini, Agnis; Aizawa, Koki; Teguri, Yoshiko; Koyama, Takao; Tsukamoto, Kaori; Muramatsu, Dan; Chiba, Keita; Uyeshima, Makoto
err分享
err收藏
Seismicity controlled by resistivity structure: the 2016 Kumamoto earthquakes, Kyushu Island, Japan
errEARTH PLANETS AND SPACE
IF2.5
err2017-01-03
err24
errOAAI
errAizawa, Koki; Asaue, Hisafumi; Koike, Katsuaki; Takakura, Shinichi; Utsugi, Mitsuru; Inoue, Hiroyuki; Yoshimura, Ryokei; Yamazaki, Ken'ichi; Komatsu, Shintaro; Uyeshima, Makoto; Koyama, Takao; Kanda, Wataru; Shiotani, Taro; Matsushima, Nobuo; Hata, Maki; Yoshinaga, Tohru; Uchida, Kazunari; Tsukashima, Yuko; Shito, Azusa; Fujita, Shiori; Wakabayashi, Asuma; Tsukamoto, Kaori; Matsushima, Takeshi; Miyazaki, Masahiro; Kondo, Kentaro; Takashima, Kanade; Hashimoto, Takeshi; Tamura, Makoto; Matsumoto, Satoshi; Yamashita, Yusuke; Nakamoto, Manami; Shimizu, Hiroshi
err分享
err收藏
Effect of prior martensite on bainite transformation in nanobainite steel纳米贝氏体钢中马氏体对贝氏体相变的影响
errACTA MATERIALIA
IF9.3
err2015-02-01
err177
PREAI
errGong, W.; Tomota, Y.; Harjo, S.; Su, Y. H.; Aizawa, K.
err分享
err收藏
Three-dimensional resistivity structure and magma plumbing system of the Kirishima Volcanoes as inferred from broadband magnetotelluric data
errJOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH
IF4.1
err2014-01-23
err89
errOAAI
errAizawa, Koki; Koyama, Takao; Hase, Hideaki; Uyeshima, Makoto; Kanda, Wataru; Utsugi, Mitsuru; Yoshimura, Ryokei; Yamaya, Yusuke; Hashimoto, Takeshi; Yamazaki, Ken'ichi; Komatsu, Shintaro; Watanabe, Atsushi; Miyakawa, Koji; Ogawa, Yasuo
err分享
err收藏

研究方向

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