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氏家 恒太郎

Ujiie, Kohtaro

生命環境系 , 教授
Institute of Life and Environmental Sciences , Professor

http://www.geol.tsukuba.ac.jp/~kohtaro/index.html

巨大なすべりは不均質な構造を乗り越えた　―日本海溝のプレート境界断層における地質構造と物理特性を解明―

2025-12-19

氏家 恒太郎
Jurassic rocks reveal earthquake mechanisms

2021-11-27

氏家 恒太郎
Predicting the risk of tsunami from seafloor geology

2018-04-23

氏家 恒太郎
日本海溝沈み込み帯で発生したゆっくり地震を再現 —ゆっくり地震域は巨大地震発生域？—

2016-08-30

氏家 恒太郎
大規模地震のメカニズム解明　プレート境界の粘土層が原因

2015-06-23

氏家 恒太郎
東北地方太平洋沖地震における巨大地震・津波発生メカニズムの解明～地球深部探査船「ちきゅう」の科学成果が「SCIENCE」誌に3編同時掲載～

2015-05-26

氏家 恒太郎
オープンアクセス版の論文は「つくばリポジトリ」で読むことができます。
  1. 1. Earthquakes in wet rocks: competition between thermal pressurization, damage, and frictional melting? Toffol, Giovanni; Fagereng, Ake; Julve, Joaquin; Muir, Duncan D.UJIIE, Kohtaro
      Earth and Planetary Science Letters 690: (2026) Semantic Scholar
  2. 2. Deformation mechanisms and rheology of chlorite–actinolite schist and blueschist: Implications for creep behavior along the slab-mantle interface Yamasaki, Yuto; UJIIE, Kohtaro; Yeo, Thomas; Nishiyama, Naoki
      Journal of Structural Geology 209: (2026) Semantic Scholar
  3. 3. Splay fault permeability governs fluid$2013structure interaction in accretionary wedges Julve, Joaquin; Fagereng, Ake; Toffol, Giovanni; UJIIE, Kohtaro
      Geophysical ResearchLetters 53: (2026) Semantic Scholar
  4. 4. Extreme plate boundary localization promotes shallow earthquake slip at the Japan Trench Kirkpatrick, J. D.; Savage, H. M.; Regalls, C.; Shreedharan, S. (+16 著者) Scientists, Expediti
      Science 391: 489 (2026) Semantic Scholar
  5. 5. Tectonic tremor explained by successive ruptures of clustered quartz-filled shear veins Yabe, Suguru; UJIIE, Kohtaro
      Geophysical Research Letters 52: (2025) Semantic Scholar
  6. 6. Evolution of Nanocavities to Ductile Fractures in Crustal-Scale Faults at the Base of the Seismogenic Zone Yeo, Thomas; Shigematsu, Norio; Wallis, Simon R.; Kobayashi, Keita (+1 著者) Ujiie, Kohtaro
      JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH 130: (2025) Semantic Scholar
  7. 7. Deformation mechanisms and fluid conditions of mélange shear zones associated with seamount subduction Frank, Madison; Ujiie, Kohtaro; Motohashi, Ginta; Nagaya, Takayoshi
      Progress in Earth and Planetary Science 11: (2024) Semantic Scholar
  8. 8. Deformation microstructures of low- and high-strain epidote-blueschist (Ryukyu arc, Japan): Implications for subduction interface rheology Caroli, Sara De; Fagereng, Åke; Ujiie, Kohtaro; Blenkinsop, Thomas (+1 著者) Muir, Duncan
      JOURNAL OF STRUCTURAL GEOLOGY 180: (2024) Semantic Scholar
  9. 9. Duplex Underplating, Sediment Dehydration and Quartz Vein Mineralization in the Deep Tremor Source Region Ujiie, Kohtaro; Nishiyama, Naoki; Yamamoto, Hisaki; Yamashita, Minoru (+2 著者) Kouketsu, Yui
      Journal of Geophysical Research B: Solid Earth 129: (2024) Semantic Scholar
  10. 10. Lowering of the kinetic barrier of clay-mineral reactions along a seismogenic fault: Example from the Nankai subduction zone, Japan Masumoto, Hirokazu; Kameda, Jun; Hamada, Yohei; Ujiie, KohtaroKitamura, Yujin
      TECTONOPHYSICS 868: (2023) Semantic Scholar
  11. 11. Megathrust slip enhanced by metasomatic actinolite in the source region of deep slow slip Naoki, Nishiyama; Ujiie, Kohtaro; Kazuya, Noro; Yasushi, MoriHaruna, Masuyama
      LITHOS 446: (2023) Semantic Scholar
  12. 12. Origin of alkaline basaltic intrusive rocks in an exhumed accretionary complex: Implications for past petit-spot volcanism in the ocean Ginta, Motohashi; Takashi, Sano; Ujiie, Kohtaro; Madison, Frank
      GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS 24: (2023) Semantic Scholar
  13. 13. Depth-dependent slow earthquakes controlled by temperature dependence of brittle-ductile transitional rheology Ryosuke, Ando; Ujiie, Kohtaro; Naoki, Nishiyama; Yasushi, Mori
      GEOPHYSICAL RESEARCH LETTERS 50: (2023) Semantic Scholar
  14. 14. Middle Miocene forearc alkaline magmatism in Amami-Oshima Island, central Ryukyu Arc: implications for paleoreconstruction of Shikoku Basin Ginta, Motohashi; Osamu, Ishizuka; Hirokuni, Oda; Takashi, Sano (+1 著者) Ujiie, Kohtaro
      Earth, Planets and Space 75: (2023) Semantic Scholar
  15. 15. クラックシールせん断脈に記録されたスロー地震発生履歴 西山直毅; 氏家, 恒太郎; 加納将行
      月刊地球 44: 551 (2022)
  16. 16. 総説：スロー地震に関する地質学的・実験的・地震学的研究の連携と進展 氏家, 恒太郎; 岡﨑啓史; 平内健一; ウォリスサイモン
      月刊地球 44: 511 (2022)
  17. 17. プレート沈み込み帯における微動の地質学的実体 氏家, 恒太郎; 西山直毅; 山下 穂
      月刊地球 44: 543 (2022)
  18. 18. 震源域の物質から探る巨大地震とスロー地震の発生メカニズム 氏家, 恒太郎
      科学 92: 893 (2022)
  19. 19. Megathrust shear modulated by albite metasomatism in subduction mélanges Ujiie, Kohtaro
      Geochemistry, Geophysics, Geosystems 23: (2022) Semantic Scholar
  20. 20. Rheology of naturally deformed antigorite serpentinite: strain and strain-rate dependence at mantle-wedge conditions 氏家, 恒太郎
      Geophysical Research Letters 49: (2022) Semantic Scholar
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  1. 1. ANNUAL REVIEW OF EARTH AND PLANETARY SCIENCES, VOL 48, 2020 Brodsky, Emily E; Mori, James J; Anderson, Louise; Chester, Frederick M; Conin, Marianne; Dunham, Eric M; Eguchi, Nobu; Fulton; Patrick M; Hino, Ryota; Hirose, Takehiro; Ikari, Matt J; Ishikawa, Tsuyoshi; Jeppson, Tamara; Kano, Yasuyuki; Kirkpatrick, James; Kodaira, Shuichi; Lin, Weiren; Nakamura, Yasuyuki; Rabinowitz; Hannah S; Regalla, Christine; Remitti, Francesca; Rowe, Christie; Saffer, Demian M; Saito, Saneatsu; Sample, James; Sanada, Yoshinori; Savage, Heather M; Sun, Tianhaozhe; Toczko, Sean; Ujiie, Kohtaro; Wolfson-Schwehr, Monica; Yang, Tao (担当:分担執筆, 範囲:The State of Stress on the Fault Before, During, and After a Major Earthquake)
    ANNUAL REVIEWS 2020年 (ISBN: 9780824320485)
  2. 2. 地球科学の事典 氏家, 恒太郎 (担当:分担執筆, 範囲:岩石の破壊と断層)
    朝倉書店 2018年4月 (ISBN: 9784254160727)
  3. 3. 海洋底科学の基礎 氏家恒太郎 (担当:分担執筆, 範囲:活動的縁辺部で見られる堆積物の変形構造、地震発生帯掘削の成果)
    共立出版 2016年9月 (ISBN: 9784320047297)
  4. 4. 日本の地質構造100選 氏家,恒太郎 (担当:分担執筆, 範囲:褶曲、小構造、メランジュほか)
    朝倉書店 2012年5月
  5. 5. 朝倉書店 氏家,恒太郎 (担当:分担執筆, 範囲:日本の地質構造100選)
    2012年5月
  6. 6. Deformation processes of off-scraped and underthrust sediments: The Shimanto Belt of Okinawa Island, Ryukyu Arc 氏家, 恒太郎
    1998年3月

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