Ujiie Kohtaro
- Affiliation
- Faculty of Life and Environmental Sciences
- Official title
- Associate Professor
- URL
- 56@5440N]Y20:7W?>@6@-,W,.W5;
- Research fields
Geology - Research keywords
slow earthquakes accretionary prism subduction zone fault earthquake faulting frictional property deep ocean drilling - Research projects
コルシカ島変成岩から読み解く冷たいプレート沈み込み境界における断層運動 2020 -- 2023 氏家恒太郎 Japan Society for the Promotion of Science/Fund for the Promotion of Joint International Research (Fostering Joint International Research (B)) 琉球石灰岩における断層摩擦発熱の検出と活断層地震性すべり評価 2020 -- 2022 氏家 恒太郎 Japan Society for the Promotion of Science/Grant-in-Aid for Challenging Research (Exploratory) スロー地震の地質学的描像と摩擦・水理特性の解明 2016 -- 2020 氏家 恒太郎 Japan Society for the Promotion of Science/Grant-in-Aid for Scientific Research on Innovative Areas 炭質物ラマンスペクトルを用いた断層における摩擦発熱温度指標の構築 2014 -- 2017 氏家 恒太郎 Japan Society of for the Promotion of Science/Grant-in-Aid for Scientific Research (B) 日本海溝掘削(JTRACK)実現に向けたプロポーザル作成と事前研究 2014 -- 2017 氏家恒太郎 独立行政法人海洋研究開発機構/ Costa Rica Seismogenesis Project 2011 -- 2014 氏家恒太郎 独立行政法人海洋研究開発機構/その他 巨大地震断層の物質科学的研究によるすべりメカニズムの解明 2009 -- 2013 Ministry of Education, Culture, Sports, Science and Technology, Japan/新学術領域研究 摩擦発熱による粘土鉱物の脱水が地震すべりに与える効果の解明 2009 -- 2011 氏家恒太郎 Japan Society of for the Promotion of Science/科研費 基盤研究(B) 付加体シュードタキライトの解析と高速せん断実験に基づく海溝型地震発生機構の解明 2005 -- 2007 氏家恒太郎 Japan Society of for the Promotion of Science/科研費 基盤研究(B) 氏家恒太郎 2003 -- 2004 氏家恒太郎 Japan Society of for the Promotion of Science/Grant-in-Aid for Scientific Research - Career history
2010-06 -- (current) University of TsukubaGraduate School of Life and Environmental SciencesAssociate Professor 2017-10 -- 2017-11 新潟大学理学部非常勤講師 2014-09 -- 2014-09 静岡大学大学院理学研究科非常勤講師 2014-04 -- 2019-03 Japan Agency for Marine-Earth Science and TechnologyResearch and Development Center for Ocean Drilling ScienceVisiting Senior Scientist 2014-02 -- 2014-02 東北大学大学院理学研究科非常勤講師 2011-04 -- 2014-03 独立行政法人海洋研究開発機構地球内部ダイナミクス領域招聘主任研究員 2010-04 -- 2010-05 JAMSTECInstitute for Research on Earth EvolutionSenior Scientist 2009-04 -- 2010-03 JAMSTECInstitute for Research on Earth EvolutionScientist 2008-05 -- 2009-03 University of California, San DiegoScripps Institution of OceanographyVisiting Scholar 2004-07 -- 2008-04 JAMSTECInstitute for Research on Earth EvolutionScientist more... - Academic background
1995-04 -- 1998-03 Department of Earth and Planetary Sciences Kyushu University 1993-04 -- 1995-03 Department of Earth and Planetary Sciences Kyushu University 1989-04 -- 1993-03 Institute of Earth Science Faculty of Science Kagoshima University - Degree
1998-03 Science Kyushu University - Academic societies
2009 -- (current) JAPAN GEOSCIENCE UNION 2000 -- (current) American Geophysical Union 1993 -- (current) THE GEOLOGICAL SOCIETY OF JAPAN - Honors & Awards
2017-02 University of Tsukuba 2016 BEST FACULTY MEMBER 大学教員業績評価により、研究・社会貢献において極めて優れた活動を行った。 2016-05 The Progress in Earth and Planetary Science Most Accessed Paper Awards 2016 Most accessed papers published in 2014–2015 2015-06 日本地質学会小藤文次郎賞 重要な発見・独創的な発想を含む論文の公表 - Articles
- Spatial changes in inclusion band spacing as an indicator of temporal changes in slow slip and tremor recurrence intervals
Ujiie Kohtaro; Nishiyama Naoki; Kano Masayuki
Earth, Planets and Space/73(1), 2021-06 - Frictional melting and thermal fracturing recorded in pelagic sedimentary rocks of the Jurassic accretionary complex, central Japan
Ujiie Kohtaro; Ito Keisuke; Nagate Ayaka; Tabata Hiroki
EARTH AND PLANETARY SCIENCE LETTERS/554, 2021-01 - Evidence of Localized Failure Along Altered Basaltic Blocks in Tectonic Melange at the Updip Limit of the Seismogenic Zone: Implications for the Shallow Slow Earthquake Source
Phillips Noah John; Motohashi Ginta; Ujiie Kohtaro; Rowe ...
GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS/21(7), 2020-07 - Deformation Structures From Splay and Decollement Faults in the Nankai Accretionary Prism, SW Japan (IODP NanTroSEIZE Expedition 316): Evidence for Slow and Rapid Slip in Fault Rocks
Fabbri O.; Goldsby D. L.; Chester F.; Karpoff A. M.; Morv...
GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS/21(6), 2020-06 - Hydrous oceanic crust hosts megathrust creep at low shear stresses
Tulley Christopher J.; Fagereng Ake; Ujiie Kohtaro
SCIENCE ADVANCES/6(22), 2020-05 - Preservation of Permian-Triassic boundary section in the Jurassic accretionary complex of the Lake Hamana, Central Japan
Ding Wang; Ujiie Kohtaro; Sashida Katsuo
GEOLOGICAL JOURNAL/Epub, 2020-06 - Fault weakening caused by smectite swelling
Kameda Jun; Uno Masaoki; Conin Marianne; Ujiie Kohtaro; H...
Earth, Planets and Space/71(1), 2019-12 - Frictional Strengths of Subduction Thrust Rocks in the Region of Shallow Slow Earthquakes
Phillips Noah John; Belzer Ben; French Melodie E.; Rowe ...
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH/125(3), 2020-03 - Fluid overpressure in subduction plate boundary caused by mantle-derived fluids
Nishiyama Naoki; Sumino Hirochika; Ujiie Kohtaro
EARTH AND PLANETARY SCIENCE LETTERS/538, 2020-05 - Chemical origin of tectonic tremor
Ujiie Kohtaro
NATURE GEOSCIENCE/12(12)/pp.962-963, 2019-12 - Origin of frictional melt on the basis of trace element analysis
尾澤 ちづる; 氏家 恒太郎; 石川 剛志
Annual Meeting of the Geological Society of Japan/2018/p.242, 2018 - Episodic tremor and slow slip explained by crack-seal veins and viscous shear in subduction melange
氏家 恒太郎; 最首 花恵; Fagereng Ake; 西山 直毅; 大坪 誠; 増山 春菜; 鍵 裕之
Annual Meeting of the Geological Society of Japan/2018/p.237, 2018 - Metasomatism and associated ductile shear along subduction plate boundary
野呂 和也; 氏家 恒太郎; 西山 直毅; 森 康; 増山 春菜
Annual Meeting of the Geological Society of Japan/2018/p.222, 2018 - Detection of mantle-derived fluid from shear veins in the Makimine melange of the Shimanto accretionary complex: Constraints from helium isotope analysis
西山 直毅; 氏家 恒太郎; 角野 浩史
Annual Meeting of the Geological Society of Japan/2018/p.238, 2018 - Experimental investigation of frictional melting of chert
本橋 銀太; 大橋 聖和; 氏家 恒太郎
Annual Meeting of the Geological Society of Japan/2018/p.513, 2018 - Estimation of frictional heat and amount of wall rock incorporation during an earthquake: Insights from pseudotachylyte
長手 彩夏; 氏家 恒太郎
Annual Meeting of the Geological Society of Japan/2018/p.533, 2018 - (Cancel)Achievements of accretionary prisms and seismogenic zone drilling in subduction zones
氏家 恒太郎
Annual Meeting of the Geological Society of Japan/2018/p.70, 2018 - Viscous strengthening followed by slip weakening during frictional melting of chert
Motohashi Ginta; Oohashi Kiyokazu; Ujiie Kohtaro
Earth, Planets and Space/71, 2019-05 - For how long are pseudotachylytes strong? Rapid alteration of basalt-hosted pseudotachylytes from a shallow subduction complex
Phillips Noah John; Rowe Christie D.; Ujiie Kohtaro
Earth and Planetary Science Letters/518/pp.108-115, 2019-07 - Normal faults at same depth as thrust faults in an exhumed accretionary complex, Kayo Formation, Okinawa Island, Japan
Hashimoto Yoshitaka; Ueda Dai; Motoyama Yuhei; Tobe Kota...
Geological Society of America Special Paper/534/pp.175-185, 2018-07 - Geochemical analysis unveils frictional melting processes in a subduction zone fault
Ishikawa Tsuyoshi; Ujiie Kohtaro
GEOLOGY/47(4)/pp.343-346, 2019-04 - An Explanation of Episodic Tremor and Slow Slip Constrained by Crack-Seal Veins and Viscous Shear in Subduction Melange
Ujiie Kohtaro; Saishu Hanae; Fagereng Ake; Nishiyama ...
GEOPHYSICAL RESEARCH LETTERS/45(11)/pp.5371-5379, 2018-06 - Achievements of the rapid response drilling (IODP Expedition 343: J-FAST) after the 2011 off the Pacific coast of Tohoku Earthquake
山田 泰広; Mori Jim; 氏家 恒太郎; 林 為人; 小平 秀一
Jour. Geol. Soc. Japan/124(1)/pp.67-76, 2018-01 - Detection of increased heating and estimation of coseismic shear stress from Raman spectra of carbonaceous material in pseudotachylytes
Ujiie Kohtaro; Ito Keisuke; Kagi Hiroyuki
Geophysical Research Letters/44(4)/pp.1749-1757, 2017-02 - Fluid-rock interaction at depths of deep slow earthquakes: an example from the Makimine melange in the Shimanto accretionary complex
西山 直毅; 野呂 和也; 氏家 恒太郎
Annual Meeting of the Geological Society of Japan/2017(0)/p.71, 2017 - more...
- Spatial changes in inclusion band spacing as an indicator of temporal changes in slow slip and tremor recurrence intervals
- Books
- The State of Stress on the Fault Before, During, and After a Major Earthquake
Brodsky Emily E.; Mori James J.; Anderson Louise; Ches...
ANNUAL REVIEW OF EARTH AND PLANETARY SCIENCES, VOL 48, 2020/ANNUAL REVIEWS/pp.49-74, 2020 - 岩石の破壊と断層
氏家 恒太郎
地球科学の事典/朝倉書店, 2018-04 - 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
氏家恒太郎
海洋底科学の基礎/共立出版, 2016-09 - 褶曲、小構造、メランジュほか
氏家 恒太郎
日本の地質構造100選/朝倉書店, 2012-05 - Deformation processes of off-scraped and underthrust sediments: The Shimanto Belt of Okinawa Island, Ryukyu Arc
氏家 恒太郎
1998-03
- The State of Stress on the Fault Before, During, and After a Major Earthquake
- Conference, etc.
- 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
氏家 恒太郎; 森 康; 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
氏家 恒太郎; 大坪 誠; 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
氏家 恒太郎; 西山直毅; 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
Ujiie Kohtaro; Mori Yasushi; Shigeno Miki; Noro Kazuya; N...
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
Ujiie Kohtaro; Frank Madison; 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
Ujiie Kohtaro; Ando Ryosuke; Nishiyama Naoki; Mori Yasushi
Japan Geoscience Union Meeting 2021/2021-05-30--2021-06-06 - Development of crystallographic preferred orientation during normal faulting in the Pleistocene Ryukyu Limestone
氏家 恒太郎; 井上郁; 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
氏家 恒太郎; 西山直毅; 角野浩史
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
Ujiie Kohtaro; Otsubo Makoto; Saishu Hanae; Miyakawa Ayu...
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
Ujiie Kohtaro; Nishiyama Naoki; 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 - Role of Metasomatic Reactions of Metabasite on Plate-boundary Shear Localization at Slab-mantle Interface
Ujiie Kohtaro; Nishiyama Naoki; Noro Kazuya; Mori Yasush...
AGU Fall Meeting 2019/2019-12-09--2019-12-13 - Stress state at the toe of the Nankai accretionary margin, with implications for characterization of the decollement
Ujiie Kohtaro; Conin Marianne; Hamada Yohei; Guerin Gill...
AGU Fall Meeting 2019/2019-12-09--2019-12-13 - Geochemical evidence for source materials of frictional melt: an example from the pseudotachylyte in the Jurassic accretionary complex, central Japan
Ujiie Kohtaro; Ozawa Chizuru; Ishikawa Tsuyoshi
AGU Fall Meeting 2019/2019-12-09--2019-12-13 - Structural observations across the Nankai accretionary prism, IODP Expedition 358 (NanTroSEIZE)
Ujiie Kohtaro; Regalia Christine; Yamamoto Yuzuru; Tiefor...
AGU Fall Meeting 2019/2019-12-09--2019-12-13 - Slow slip along subduction megathrust controlled by metasomatism-enhanced viscous shear
Ujiie Kohtaro; Noro Kazuya; Shigematsu Norio; Fagereng A...
AGU Fall Meeting 2019/2019-12-09--2019-12-13 - The Role of Fluids at the Boundaries of the Subduction Thrust Seismogenic Zone: What do the Rocks Tell Us?
Ujiie Kohtaro; Ake Fagereng; Johann Diener F.A.; Francesc...
AGU Fall Meeting 2019/2019-12-09--2019-12-13 - Frictional melting and thermal fracturing recorded in the pseudotachylyte derived from pelagic sedimentary rocks
Ujiie Kohtaro; Ayaka Negate
AGU Fall Meeting/2019-12-09--2019-12-13 - Pore fluid overpressures for tensile cracking at depth of episodic tremor and slow slip
Otsubo Makoto; Ujiie Kohtaro; Hardebeck Jeanne L.; Saishu...
International Joint Workshop on Slow Earthquakes 2018/2018-09-21--2018-09-23 - more...
- Quartz vein formation and metasomatic reactions along the deep slow earthquake source in warm slab environments
- Teaching
2021-04 -- 2021-06 Geodynamics, Special Lecture I University of Tsukuba. 2021-04 -- 2021-06 Geodynamics, Seminar I University of Tsukuba. 2021-10 -- 2021-12 Earth Evolution Sciences, Special Seminar IVb University of Tsukuba. 2021-10 -- 2021-12 Earth Evolution Sciences, Special Seminar IIIb University of Tsukuba. 2021-10 -- 2021-12 Thesis Research in Geodynamics II University of Tsukuba. 2021-10 -- 2022-02 Field Works I, Research Planning University of Tsukuba. 2021-04 -- 2021-08 Field Works I, Research Planning University of Tsukuba. 2021-10 -- 2022-02 Earth Evolution Science, Special Thematic Research University of Tsukuba. 2021-04 -- 2021-08 Earth Evolution Science, Special Thematic Research University of Tsukuba. 2021-04 -- 2021-06 Earth Evolution Sciences, Special Seminar IIIa University of Tsukuba. more... - Other educational activities
2022-02 -- 2022-02 第234回地震予知連絡会 地震予知連絡会 2015-11 -- 2015-11 県民大学講座「地球の変動:プレートテクトニクスとプルームテクトニクス」」 茨城県県南生涯学習センター 2011-12 -- 2011-12 高大連携 University of Tsukuba. - Talks
- 深海掘削して初めて分かった海溝型巨大地震・津波発生メカニズム
氏家 恒太郎
ライブ授業for茗溪学園中学校高等学校/2020-05-29--2020-05-29 - 断層の地質学的研究から読み解くプレート沈み込み帯地震発生の科学
氏家 恒太郎
地質の日オンライン講演会/2021-05-09--2021-05-09 - 「ちきゅう」による深海掘削で明らかになった東北沖地震・巨大津波発生のメカニズム
Ujiie Kohtaro
地震津波シンポジウム 東海・南海巨大地震を考えるin SHIMIZU/2017-03-25--2017-03-25 - プレート境界域で発生する地震のメカニズムについて
氏家 恒太郎
石灰石鉱業協会地質講演会/2015-07-17--2015-07-17 - 深海掘削で明らかになった巨大地震・津波発生のメカニズム
氏家 恒太郎
「ちきゅう」就航10周年記念シンポジウム/2015-11-12--2015-11-12 - 東北地方太平洋沖地震調査掘削(JFAST)の成果
氏家 恒太郎
ブルーアース2015/2015-03-19--2015-03-20 - 付加体中の断層から読み解く沈み込みプレート境界における地震発生過程
氏家 恒太郎
深田地質研究所60周年記念事業 深田研究助成講演会/2014-09-05--2014-09-05 - 東北地方太平洋沖地震掘削(JFAST)で明らかになった震源域プレート境界断層の特徴と摩擦特性
氏家 恒太郎
ショートコース「地すべり破砕帯の構造地質学」/2014-10-18--2014-10-18 - コア試料から分かった滑りのメカニズム
氏家 恒太郎
東北大学・海洋研究開発機構合同シンポジウム「ちきゅう」が解き明かした巨大地震のなぞ/2014-03-29--2014-03-29 - 「ちきゅう」による掘削調査からわかったプレート境界浅部巨大地震性滑りのメカニズム
氏家 恒太郎
公開シンポジウム「大震災津波のメカニズムと三陸の海の現在」/2014-03-09--2014-03-09 - 3.11あのとき深海で何が起こったか〜地震の根源を探る地球深部探査船ちきゅうのたび
氏家 恒太郎
東北大学サイエンスカフェ/2013-02-11--2013-02-11
- 深海掘削して初めて分かった海溝型巨大地震・津波発生メカニズム
- Professional activities
2020-05 -- 2022-05 J-DESC 理事 2011-03 -- 2012-02 JAPAN GEOSCIENCE UNION 日本地球惑星科学連合大会運営委員 2012-04 -- 2016-03 THE GEOLOGICAL SOCIETY OF JAPAN 日本地質学会行事委員 2011-01 -- 2012-05 文部科学省 深海掘削検討会 - University Management
2017-04 -- 2018-03 生命環境学群地球学類カリキュラム委員 委員長 2021-04 -- 2022-03 学生生活支援室 副室長 2020-04 -- 2021-03 学生生活支援室 委員 2016-04 -- 2017-03 生命環境学群FD委員会 委員長 2016-04 -- 2017-03 生命環境学群地球学類カリキュラム委員 副委員長 2016-04 -- 2018-03 地球学類運営委員会 委員 2016-04 -- 2018-03 生命環境学群運営委員会 委員 2016-04 -- 2018-03 生命環境学群長・学類長会議 委員 - Other activities
2017-07 -- 2017-10 国立科学博物館特別展「深海」Zone 3.深海と巨大地震 パネル・図録執筆、断層試料・実験撮影動画提供 2016-05 -- 2016-05 「ちきゅう」がせまる巨大地震と地下生命の謎(ニュートン)研究成果紹介 2015-10 -- 2015-10 プレスリリース「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?—」 2014-12 -- 2014-12 東日本大震災における巨大津波の原因(物理科学月刊誌パリティ2014年12月号)研究成果紹介 2014-09 -- 2014-09 続・地球深部探査船「ちきゅう」が解き明かした東北沖地震の謎(河北新報社 科学の泉)研究成果紹介 2014-04 -- 2014-04 知っておきたい断層の話(学研子供の科学)取材協力・監修 2014-03 -- 2014-03 ここまで分かった巨大地震・巨大津波の謎(海と地球の情報誌 Blue Earth)研究成果掲載 2014-03 -- 2014-03 巨大地震 掘削で迫る(朝日新聞21面科学の扉)研究成果掲載 2014-03 -- 2014-03 3.11大津波を起こした断層の正体をとらえた!(月刊ジュニアエラ)取材協力・監修 2014-03 -- 2014-03 室内実験より決定された東北沖プレート境界断層の地震時低剪断応力(Science–サイエンス誌に載った日本人研究者)研究成果掲載 more...
(Last updated: 2022-04-13)