UJIIE Kohtaro

Researcher's full information

Conference, etc.
  • New factor controlling the downdip limit of the seismogenic megathrust
    Ujiie Kohtaro; Norio Shigematsu
    Slow-to-Fast earthquake workshop in Taiwan/2023-03-13--2023-03-14
  • Origin of overpressured fluids in subduction plate boundary near the downdip limit of the seismogenic zone
    西山直毅; 角野浩史; 氏家 恒太郎
    Japan Geoscience Union Meeting 2022/2022/05/22--2022/05/27
  • Depth-dependence of shallow and deep slow earthquakes: ductility comes from friction or plasticity?
    Ando Ryosuke; Ujiie Kohtaro; Mori Yasushi; Nishiyama ...
    Japan Geoscience Union Meeting 2022/2022/05/22--2022/05/27
  • Deformation temperature and strain rate estimations for Mie mélange of Nagasaki Metamorphic Rocks
    Maehara Seiya; Ando Ryosuke; Nagaya Takayoshi; Ujiie ...
    Japan Geoscience Union Meeting 2022/2022/05/22--2022/05/27
  • Change in slip mode along subduction megathrust controlled by metasomatic reactions near mantle wedge corner
    Nishiyama Naoki; Ujiie Kohtaro; Noro Kazuya; Mori Yas...
    Japan Geoscience Union Meeting 2022/2022/05/22--2022/05/27
  • Field observations, microstructures, and frictional properties of the Red Island/Karamea shear zone, New Zealand
    Frank Madison; Boulton Carolyn; Niemeijer André; Ujiie...
    Japan Geoscience Union Meeting 2022/2022/05/22--2022/05/27
  • Deformation mechanisms in a tectonic mélange of Amami-Oshima Island: Implications of seamount subduction at slow earthquake source depth
    Frank Madison; Ujiie Kohtaro; Motohashi Ginta
    Japan Geoscience Union Meeting 2022/2022/05/22--2022/05/27
  • Timescales of silica precipitation compared to the earthquake recurrences around seismogenic zones SW Japan
    Saishu Hanae; Otsubo Makoto; Okamoto Atsushi; Ujiie K...
    Japan Geoscience Union Meeting 2022/2022/05/22--2022/05/27
  • Quartz vein formation and metasomatic reactions along the deep slow earthquake source in warm slab environments
    Ujiie Kohtaro
    Geological Society of America Penrose Conference/2022-04-01--2022-04-05
  • 蛇紋岩の滑石化交代作用に関連したスロースリップ
    森 康; 氏家 恒太郎; 西山忠男; 重野未来; 野呂和也
    日本地質学会第128年学術大会/2021-09-04--2021-09-06
  • メランジュ面構造に平行な伸長石英脈から見積もられたスロー地震発生サイクル内の間隙流体圧の時間変化
    大坪 誠; 氏家 恒太郎; 最首花恵; 宮川歩夢
    日本地質学会第128年学術大会/2021-09-04--2021-09-06
  • Spatial changes in inclusion band spacing as an indicator of temporal changes in slow slip and tremor recurrence intervals
    西山直毅; 氏家 恒太郎; 加納将行
    日本地質学会第128年学術大会/2021-09-04--2021-09-06
  • スロー地震の地質学的痕跡
    氏家 恒太郎; 西山直毅; フランク マディソン; 山下 穂; 森 康; 最首花恵; 重松紀生; 永冶方敬
    日本地質学会第128年学術大会/2021-09-04--2021-09-06
  • Impact of metasomatism on fluid overpressure in source depths of deep slow earthquakes
    Mori Yasushi; Ujiie Kohtaro; Shigeno Miki; Noro Kazuy...
    Japan Geoscience Union Meeting 2021/2021-05-30--2021-06-06
  • Lithological heterogeneity and fluid flow related to seamount subduction: an exhumed example from Amami-Oshima Island
    Frank Madison; Ujiie Kohtaro; Motohashi Ginta
    Japan Geoscience Union Meeting 2021/2021-05-30--2021-06-06
  • Localized megathrust slip controlled by chemical reactions in subduction mélanges
    Ujiie Kohtaro; Noro Kazuya; Shigematsu Norio; Fagereng A...
    Japan Geoscience Union Meeting 2021/2021-05-30--2021-06-06
  • Depth-dependent deep-slow earthquakes controlled by temperature dependence of brittle-ductile transitional rheology
    Ando Ryosuke; Ujiie Kohtaro; Nishiyama Naoki; Mori Ya...
    Japan Geoscience Union Meeting 2021/2021-05-30--2021-06-06
  • Development of crystallographic preferred orientation during normal faulting in the Pleistocene Ryukyu Limestone
    井上郁; 氏家 恒太郎; 永冶方敬
    Japan Geoscience Union Meeting 2021/2021-05-30--2021-06-06
  • Overpressured subduction plate boundary caused by mantle-derived fluids: Evidence from noble gas isotope analysis on veins in subduction mélange
    西山直毅; 角野浩史; 氏家 恒太郎
    Japan Geoscience Union Meeting 2021/2021-05-30--2021-06-06
  • Earthquake faulting in the Japan Trench subduction zone: lessons learned from deep ocean drilling and the fault rocks in the exhumed accretionary complex
    氏家 恒太郎; 伊東慶祐; 長手彩夏; 田畑皓輝
    Japan Geoscience Union Meeting 2021/2021-05-30--2021-06-06
  • Temporal changes in pore fluid pressure during slow earthquake cycle estimated from foliation-parallel extension cracking
    Otsubo Makoto; Ujiie Kohtaro; Saishu Hanae; Miyakawa ...
    European Geosciences Union 2021 (vEGU21)/2021-04-19--2021-04-30
  • Spatial changes in inclusion band spacing as an indicator of temporal changes in slow earthquake recurrence intervals
    Nishiyama Naoki; Ujiie Kohtaro; Kano Masayuki
    European Geosciences Union 2021 (vEGU21)/2021-04-19--2021-04-30
  • Localized megathrust slip controlled by metasomatic reactions in subduction mélanges
    Ujiie Kohtaro; Noro Kazuya; Shigematsu Norio; Fagereng A...
    European Geosciences Union 2021 (vEGU21)/2021-04-19--2021-04-30
  • Fault zone structure and deformation in pelagic sedimentary rocks in the Jurassic chert-clastic complex, Central Japan
    Ujiie Kohtaro; Ding Wang
    JpGU-AGU Joint Meeting 2020/2020-07-12--2020-07-16
  • Preservation of Permian-Triassic boundary section in the Jurassic accretionary complex of the Lake Hamana, Central Japan
    Ujiie Kohtaro; Ding Wang; Sashida Katsuo
    JpGU-AGU Joint Meeting 2020/2020-07-12--2020-07-16
  • more...