Research field (2):
Geotechnical engineering
, Solid earth science
Research keywords (11):
破砕帯
, 構造地質学
, 構造岩石学
, 断層岩
, 活断層
, 剪断帯
, Structural geology
, Fault rock
, Shear zone
, Inland earthquake
, Seismogenic zone
Research theme for competitive and other funds (3):
2013 - 2017 Identification of recent fault activity by measurement of hydration thickness using quartz from faults
重要施設の耐震安全性に係る断層の活動性評価
Evaluation of fault activity
Papers (43):
Nishiyama Nariaki, Nakajima Toru, Goto Akira*, Hakoiwa Hiroaki, Nagata Mitsuhiro, Shimada Koji, Niwa Masakazu. Analysis of the stress field around concealed active fault from minor faults-slip data collected by geological survey; An Example in the 1984 Western Nagano Earthquake region. Earth and Space Science (Internet). 2024. 11. 6. e2023EA003360\_1-e2023EA003360\_15
Sakai Toru*, Kametaka Masao*, Aoki Kazuhiro, Shimada Koji, Takagi Hideo*. Estimation of kinematic and stress history by composite planar fabric and stress inversion analysis: Application to the Shionohira and Kuruma Faults. Chishitsugaku Zasshi (Internet). 2024. 130. 1. 89-109
Niwa Masakazu, Shimada Koji, Terusawa Shuji*, Goto Akira*, Nishiyama Nariaki, Nakajima Toru, Ishihara Takanori, Hakoiwa Hiroaki. Field-based description of near-surface crustal deformation in a high-strain shear zone; A Case study in southern Kyushu, Japan. Island Arc. 2024. 33. 1. e12516\_1-e12516\_16
Ogawa Hiroki, Hiratsuka Shinya, Asamori Koichi, Shimada Koji, Niwa Masakazu. Estimation of shear wave polarization anisotropy in the fore-arc region of Kyushu, Japan. Butsuri Tansa. 2024. 77. 15-23
Tateishi Ryo*, Shimada Koji, Iwamori Akiyuki*, Wada Shinya*, Seno Shotaro*, Nagata Ken*. Newly found fault outcrops of the Tsuruga fault in the Mihama Town, Fukui Prefecture, Japan. Chishitsugaku Zasshi (Internet). 2022. 128. 1. 63-64
Fujita Natsuko, Miyake Masayasu, Matsubara Akihiro*, Ishii Masahiro*, Watanabe Takahiro, Jinno Satoshi, Nishio Tomohiro*, Ogawa Yumi, Kimura Kenji, Shimada Akiomi, et al. Present status of the JAEA-AMS-TONO (2022FY). Dai-35-Kai Tandemu Kasokuki Oyobi Sono Shuhen Gijutsu No Kenkyukai Hokokushu. 2024. 17-19
Yamamoto Yusuke*, Watanabe Takahiro, Niwa Masakazu, Shimada Koji. Stable hydrogen and oxygen isotope analyses of geological samples using a thermal conversion elemental analyzer-isotope ratio mass spectrometer at Tono Geoscience Center. JAEA-Testing 2023-003. 2024. 67
Niwa Masakazu, Shimada Koji, Sueoka Shigeru, Ishihara Takanori, Ogawa Hiroki, Hakoiwa Hiroaki, Watanabe Tsuyoshi, Nishiyama Nariaki, Yokoyama Tatsunori, Ogata Manabu, et al. Annual report for research on geosphere stability for long-term isolation of radioactive waste in fiscal year 2022. JAEA-Research 2023-005. 2023. 78
Niwa Masakazu, Shimada Koji, Sueoka Shigeru, Fujita Natsuko, Yokoyama Tatsunori, Ogita Yasuhiro, Fukuda Shoma, Nakajima Toru, Kagami Saya, Ogata Manabu, et al. Research plan on geosphere stability for long-term isolation of radioactive waste (Scientific program for fiscal year 2023). JAEA-Review 2023-017. 2023. 27
Sasao Eiji, Ishimaru Tsuneari, Niwa Masakazu, Shimada Akiomi, Shimada Koji, Watanabe Takahiro, Sueoka Shigeru, Yokoyama Tatsunori, Fujita Natsuko, Ogita Yasuhiro, et al. Research plan on geosphere stability for long-term isolation of radioactive waste (Scientific program for fiscal year 2022). JAEA-Review 2022-022. 2022. 29