Research theme for competitive and other funds (6):
2021 - 2024 地殻起源磁場変動は応力磁気効果でどこまで説明できるのか
2017 - 2021 地震動に伴う地磁気・地電位変動の生成メカニズムと検出可能性
2016 - 2021 Study on physical mechanisms of slow earthquakes based on geodetic observations
2014 - 2017 State imaging of electrical properties around the long-term Slow Slip Events for detection of temporal changes in resistivity structure
2014 - 2016 Determination of the electromagnetic field arising from time-dependent piezomagnetic effect during ruptures
2012 - 2015 Comparison between observed and predicted EM signals during seismic wave propagations
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Papers (34):
Zhendong Wang, Ken'ichi Yamazaki, Shuanggui Chen, Lili Feng. Piezomagnetic fields generated by the gas injection process in Hutubi ultralarge underground gas storage system (China). Geophysical Journal International. 2024. 236. 3. 1636-1645
Takeshi Suzuki, Ryokei Yoshimura, Ken'ichi Yamazaki, Takuto Minami, Kazuki Sawayama, Naoto Oshiman. Dependence of resistivity of natural rock samples on humidity. Journal of Applied Geophysics. 2024. 220
Ken'ichi Yamazaki. Revised set of equations describing the seismo-electromagnetic coupled wavefield in an ambient geomagnetic field. Geophysical Journal International. 2023. 236. 2. 946-951
Koki Yoshinaga, Takeshi Matsushima, Hiroshi Shimizu, Yusuke Yamashita, Ken’ichi Yamazaki, Shintaro Komatsu, Satoshi Fujiwara. Subsurface magma movement inferred from extensometer and tiltmeter records during the early stage of the 2018 Shinmoe-dake eruptions, Japan. Earth, Planets and Space. 2023. 75. 1
Ken'ichi Yamazaki. Comment on “Piezoelectricity as a mechanism on generation of electromagnetic precursors before earthquakes” by J.H. Wang. Geophysical Journal International. 2021. 228. 2. 792-795
吉永光樹, 松島健, 清水洋, 山下裕亮, 小松信太郎, 山崎健一. Sub-surface magma movement inferred from continuous extensometers’ and tiltmeters’ recores during the eruption of Kirishima Shinmoe-dake in 2018. 日本火山学会講演予稿集. 2022. 2022
吉永光樹, 松島健, 清水洋, 山下裕亮, 小松信太郎, 山崎健一. Sub-surface magma movement inferred from continuous extensometers’ and tiltmeters’ records during the eruption of Kirishima Shinmoe-dake in 2018. 日本地球惑星科学連合大会予稿集(Web). 2022. 2022
吉永光樹, 松島健, 清水洋, 山下裕亮, 小松信太郎, 山崎健一. Vault-housed extensometers and tiltmeters recorded continuous crustal movement during the eruption of Kirishima Shinmoe-dake in 2018. 日本地球惑星科学連合大会予稿集(Web). 2021. 2021
相澤広記, 内田和也, 塚島祐子, 湯浅雄平, 村松弾, 山本有人, TRIAHADINI Agnis, 藤田詩織, 橋本匡, 千葉慶太, et al. Three dimensional resistivity structure around Amakusa to Minami-Shimabara aseismic zone. 日本地球惑星科学連合大会予稿集(Web). 2020. 2020
An Initial Process of Inflation of a Magma Reservoir beneath Shinmoe-dake Volcano, Japan, Revealed by Vault-housed Extensometers
(American Geophysical Union Fall Meeting 2019 2019)
Observational and Theoretical Waveforms of Electromagnetic Signals Generated by the Motional Induction Effect before the Arrival of Seismic Waves
(International Union of Geodesy and Geophysics (IUGG) General Assembly 2019 2019)
Conservation and Utilization of Paper-based Geodetic and Seismic Records at Miyazaki Observatory, Kyoto University, Japan
(International Union of Geodesy and Geophysics (IUGG) General Assembly 2019 2019)
The Electromagnetic Field Generated by Seismic Sources in a Half-space Medium through a Mechanism of Motional Induction
(American Geophysical Union Fall Meeting 2018 2018)
Electromagnetic Variations Arising from the Seismic Motional Induction in a Conductive Half-Space Medium
(Asia Oceania Geosciences Society 15th Annual Meeting)