Rchr
J-GLOBAL ID:201801005436225598   Update date: May. 31, 2024

Kiyokazu Oohashi

Kiyokazu Oohashi
Affiliation and department:
Job title: Senior Research Scientist
Research field  (1): Solid earth science
Research keywords  (10): Fault rocks ,  High-velocity friction experiment ,  Okinawa trough ,  Beppu-Shimabara Graben ,  OSL年代測定 ,  Quaternary fault ,  Tectonics ,  Rock physics ,  Structural geology ,  Geology
Research theme for competitive and other funds  (5):
  • 2019 - 2023 高速摩擦の知見に裏付けされたルミネッセンス断層年代測定法の確立
  • 2014 - 2019 Exploring the mechanical properties of crustal materials through rock deformation experiments: Influence of geofluids
  • 2013 - 2015 内陸断層との比較研究に基づくプレート境界断層の物質・力学的キャラクタリゼーション
  • 2011 - 2014 Integrated seismic experiments with active and passive sources for revealing the crustal structure of the collision / subduction transition zone on the northwestern border of the Izu arc
  • 2009 - 2010 地震性断層運動に伴う炭素物質の生成・改変と炭素物質による断層強度弱化過程の解明
Papers (26):
  • Tetsuro Hirono, Hiromichi Yano, Kiyokazu Oohashi, Takeshi Miyamoto, Akihiro Ito. Relationship of evolution of slip-surface structure in Indian sandstone to changes in friction coefficient for a wide range of slip rates. Journal of Structural Geology. 2024. 184. 105167-105167
  • Sangwoo Woo, Raehee Han, Kiyokazu Oohashi. Frictional melting mechanisms of rocks during earthquake fault slip. Scientific Reports. 2023
  • Tomonori Tamura, Kiyokazu Oohashi, Nagisa Maruo. An active fault outcrop of the Inagoe fault in the Furukawa fault zone, northern Gifu Prefecture, central Japan. The Journal of the Geological Society of Japan. 2022. 128. 1. 501-511
  • Jae Hoon Kim, Jin-Han Ree, Takehiro Hirose, Kiyokazu Oohashi. Formation of clast-cortex aggregates in experimental fault gouges. Tectonophysics. 2022. 839. 229524-229524
  • Shynya Kaneki, Kiyokazu Oohashi, Tetsuro Hirono, Hiroyuki Noda. Mechanical Amorphization of Synthetic Fault Gouges During Rotary-Shear Friction Experiments at Subseismic to Seismic Slip Velocities. Journal of Geophysical Research: Solid Earth. 2020. 125. 10
more...
Lectures and oral presentations  (53):
  • 堆積物中石英の摩擦実験における光刺激ルミネッセンス(OSL)信号変化
    (日本地質学会第128年学術大会(2021年名古屋大会) 2021)
  • 布田川断層の破砕帯における長石を用いたルミネッセンス年代測定
    (日本地質学会第128年学術大会(2021年名古屋大会) 2021)
  • 古地温構造と鉱物組合せによる南琉球弧与那国島東部の断層の形成環境の推定
    (日本地質学会第128年学術大会(2021年名古屋大会) 2021)
  • 母岩の性質が断層帯の強度と幅に与える影響
    (日本地質学会第128年学術大会(2021年名古屋大会) 2021)
  • 沖縄県与那国島の正断層の構造・物質発達過程
    (日本地球惑星科学連合2021年大会 2021)
more...
Education (3):
  • 2008 - 2011 Hiroshima University Graduate School of Science
  • 2006 - 2008 Niigata University
  • 2002 - 2006 Niigata University Faculty of Science Department of Geology
Professional career (1):
  • 博士(理学) (広島大学)
Work history (5):
  • 2024/04 - 現在 National Institute of Advanced Industrial Science and Technology Research Institute of Earthquake and Volcano Geology, Geological Survey of Japan Senior Research Scientist
  • 2020/10 - 2024/03 山口大学大学院創成科学研究科 准教授
  • 2016/04 - 2020/09 山口大学大学院創成科学研究科 講師
  • 2014/11 - 2016/03 Yamaguchi University Graduate School of Science and Engineering
  • 2011/04 - 2014/10 Chiba University Faculty of Science
Committee career (2):
  • 2022/04 - 2024/04 公益社団法人日本地震学会 地震編集委員
  • 2022/04 - 2024 一般社団法人日本地質学会 理事
Awards (2):
  • 2010/08 - Joint Meeting of Korean and Japanese Geological Societies Outstanding student paper award
  • 2010/05 - 日本地質学会 奨励賞受賞
Association Membership(s) (4):
Japanese Society for Active Fault Studies ,  THE SEISMOLOGICAL SOCIETY OF JAPAN ,  American geophysical union ,  THE GEOLOGICAL SOCIETY OF JAPAN
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