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Ryota Kiuchi, Ph.D.

Manager / Lead Data Scientist @ TRAILBLAZER, Japan

Careers

TRAILBLAZER

Osaka, Japan (Working remotely)

  • Manager / Lead Data Scientist

    February 2026 - Current

  • Data Scientist

    November 2024 - January 2026

Kozo Keikaku Engineering (KKE)

Tokyo, Japan

  • Engineering Consultant

    April 2020 - September 2024

U.S. Geological Survey Earthquake Science Center

Menlo Park, CA

  • Visiting Researcher

    May 2016 - March 2019

    Advisor: Dr. Walter Mooney

Education

Ph.D. Geophysics, Kyoto University, Japan, March 2020

- Division of Earth and Planetary Sciences, Faculty of Science

- Thesis:

"New Ground Motion Prediction Equations for Saudi Arabia

and their Application to Probabilistic Seismic Hazard Analysis"

- Advisor: Prof. Jim Mori

M. Sc. Geophysics, Kyoto University, Japan, March 2014

- Division of Earth and Planetary Sciences, Faculty of Science

- Thesis:

Estimation of Radiated Seismic Energy from Teleseismic Body Waves

- Advisor: Prof. Jim Mori

B. Sc. Physics, Osaka City University, Japan, March 2012

- Department of Physics, Faculty of Science

- Advisor: Prof. Hiroyuki Sakuragi

Languages & Skills

Skills

Programming

Python, R, Fortran, MATLAB, Shell scripting

Tools & Platforms

Git, Databricks

Languages

Japanese (Native), English (Professional working proficiency)

Publications

Peer-Reviewed Publications

  1. Kiuchi, R., W. D. Mooney, and H. M. Zahran (2023). Ground-motion prediction equations for the western Kingdom of Saudi Arabia, U.S. Geological Survey Professional Paper, 1862-O, 31 p., doi: 10.3133/pp1862O.
  2. Kiuchi, R., W. D. Mooney, and H. M. Zahran (2023). Probabilistic seismic-hazard analysis for the western Kingdom of Saudi Arabia, U.S. Geological Survey Professional Paper, 1862-Q, 15 p., doi: 10.3133/pp1862Q.
  3. Miyazawa, M., R. Kiuchi, K. Koketsu (2022). Attenuation Characteristics of High‐Frequency Ground Motions from Local Sources Caused by Great Subduction Zone Earthquakes in Northeast Japan, Seismol. Res. Lett., doi: 10.1785/0220210353.
  4. Sokolov, V., R. Kiuchi, W. Mooney, and H. M. Zahran (2021). Regional ground-motion prediction equations for western Saudi Arabia: merging stochastic and empirical estimates, Bulletin of Earthquake Engineering., 19(4), 1663-1686, doi: 10.1007/s10518-021-01048-6.
  5. Kiuchi, R., W. Mooney, and H. Zahran (2019). Ground Motion Prediction Equations for Western Saudi Arabia, Bull. Seismol. Soc. Am., 109(6), 2722–2737, doi: 10.1785/0120180302.

Non Peer-Reviewed Publications

  1. 井野昭夫・木内亮太 (2024). 実用面から見た建築分野へのAI活用概論, コンクリート工学, 62(9), 738–743, doi: 10.3151/coj.62.9_738.
  2. Katao, H., A. Kubo, T. Yamashina, T. Matsushima, K. Aizawa, S. Sakai, T. Shibutani, S. Nakao, R. Yoshimura, R. Kiuchi, T. Miura, and Y. Iio (2014). Focal Mechanisms of Aftershocks for the M6.3 Awaji Island Earthquake on APR. 13, 2013, Annuals of Disas. Prev. Res. Inst., Kyoto Univ., no 57 B

Thesis

  1. Ryota Kiuchi (2020). New Ground Motion Prediction Equations for Saudi Arabia and their Application to Probabilistic Seismic Hazard Analysis, Ph.D. Thesis, Kyoto Univ.
  2. Ryota Kiuchi (2014). Estimation of Radiated Seismic Energy from Teleseismic Body Waves, M.S. Thesis, Kyoto Univ.

Presentations

International Conferences and Workshops

  1. Yamada, M., R. Kiuchi, The 2019 Ridgecrest earthquake in California: should the earthquake early warning system send an alert in LA?, 2019 AGU Fall Meetting, San Francisco, CA, USA, S44C-05, Dec., 2019.
  2. Kiuchi, R., W. Mooney, H. Zahran, Ground Motion Prediction Equations for Western Saudi Arabia and Application to Seismic Hazard Assessment, 2018 AGU Fall Meetting, Washington, DC, USA, S43D-0638, Dec., 2018.
  3. Kiuchi, R., W. Mooney, H. Zahran, Probabilistic Seismic Hazard Analysis for Harrat Madinah, Saudi Arabia Using Regional Ground Motion Prediction Equations, 2018 SCEC Annual Meetting, Palm Springs, CA, USA, 027, Sep., 2018.
  4. Kiuchi, R., W. Mooney, J. Mori, H. Zahran, W. Al-Raddidi, and S. Youssef, Ground Motion Prediction Equations for Western Saudi Arabia from a Reference Model, 2017 AGU Fall Meetting, New Orleans, LA, USA, S41B-0753, Dec., 2017.
  5. Kiuchi, R., W. Mooney, J. Mori, H. Zahran, W. Al-Raddidi, and S. Youssef, Developing Ground Motion Prediction equations for Western Saudi Arabia Using an Adjustment of a Reference Model, 2017 SCEC Annual Meetting, Palm Springs, CA, USA, 266, Sep., 2017.
  6. Kiuchi, R., W. Mooney, J. Mori, H. Zahran, W. Al-Raddidi, and S. Youssef, Ground Motion Prediction Equations for Western Saudi Arabia, 2016 AGU Fall Meetting, San Francisco, CA, USA, S13A-2542, Dec., 2016.
  7. Kiuchi, R., W. Mooney, J. Mori, Ground-Motion Prediction Equations (GMPEs) for Saudi Arabia, SCEC-ERI-DPRI International Summer School on Earthquake Science, Lake Arrowhead, CA, USA, July, 2016.
  8. Kiuchi, R. and J. Mori, The Exponent of High-frequency Source Spectral Falloff and Contribution to Source Parameter Estimates, 2015 AGU Fall Meeting, San Francisco, CA, USA, S51A-2637, Dec., 2015.
  9. Kiuchi, R. and J. Mori, Focal Mechanism Dependence of Radiated Seismic Energy for Moderate and Large Earthquakes, 2015 SSA Annual Meeting, Pasadena, CA, USA, #50, Apr., 2015.
  10. Kiuchi, R. Estimation of Radiated Seismic Energy from Teleseismic Body Waves, 2015 DPRI-ENS-IPGP Workshop, Paris, France, Mar., 2015. (Oral)
  11. Kiuchi, R. and J. Mori, Focal Mechanism Dependence of Apparent Stress for Moderate and Large Earthquakes, SCEC-ERI Summer School on Earthquake Science, Oxnard, CA, USA, Sep., 2014
  12. Kiuchi, R. and J. Mori, Apparent Stress Dependence on Focal Mechanism for Large earthquakes, 2014 National Taiwan University & Kyoto University Symposium, Kyoto, Japan, P-12, Sep., 2014.
  13. Kiuchi, R. and J. Mori, Estimation of Radiated Seismic Energy from Teleseismic P waves, 2013 AGU Fall Meeting, San Francisco, CA, USA, S11A-2299, Dec., 2013.
  14. Kiuchi, R. and J. Mori, Estimation of Radiated Seismic Energy for the 2012 off the west coast of northern Sumatra (Mw 8.6), The 7th KAGI21 International Spring School, Shiga, Japan, Mar., 2013.

Domestic Conferences and Workshops

  1. 石辺岳男, 小川陽子, 田中裕人, 木内亮太, 高浜勉, 坂元一雄, 西條裕介, 古村美津子, 松浦律子, 震度分布データを用いた機械学習による震源推定の試み, 2023 SSJ Fall Meeting, Yokohama, Japan, S21-01, Nov., 2023.
  2. 倉田悠暉, 松川滉明, 田中裕人, 松元康広, 竹越美佳, 八木尊慈, 木内亮太, 滝勇太, 機械学習によるフーリエ振幅スペクトルから応答スペクトルを予測する試み, 2023 SSJ Fall Meeting, Yokohama, Japan, S21P-03, Nov., 2023.
  3. 宮澤理稔, 木内亮太, 纐纈 一起, プレート間巨大地震の強震動生成域のための距離減衰式, (Ground Motion Prediction Equation for Strong Motion Generation Areas of Great Subduction Earthquakes), 2020 SSJ Fall Meeting , Online, S15-13, Oct., 2020.
  4. Kiuchi, R., W. Mooney, H. Zahran, New Ground Motion Prediction Equations for Western Saudi Arabia, JpGU Meeting 2019, Makuhari, Japan, SSS07-P09, May., 2019. (Outstanding Student Presentation Award)
  5. 木内亮太, Jim Mori, 震源スペクトルにおける高周波数帯でのべき乗指数, (High frequency falloff of source spectra), 2015 SSJ Fall Meeting , Kobe, Japan, S08-P08, Oct., 2015.
  6. 木内亮太, Jim Mori, 近地波形を用いた地震波エネルギー推定手法の検討, (Consideration of the Method to Estimate the Radiated Seismic Energy from Regional Seismic Waveforms), JpGU Meeting 2015, Makuhari, Japan, SSS30-P04, May, 2015.
  7. 木内亮太, Jim Mori, 中・大規模地震における見かけ応力のメカニズム依存性, (Apparent Stress Dependence on Focal Mechanism for Moderate and Large Earthquakes), 2014 SSJ Fall Meeting, Niigata, Japan, S08-P18, Nov., 2014.
  8. 木内亮太, Jim Mori, 遠地実体波を用いた地震波エネルギーの推定, (Estimation of Radiated Seismic Energy from Teleseismic Body Waves), JpGU Meeting 2014, Yokohama, Japan, SSS29-02, Apr., 2014. (Oral)
  9. 木内亮太, Jim Mori, 遠地実体波を用いた地震波エネルギーの推定, (Estimation of Radiated Seismic Energy using Teleseismic Bodywaves), 2013 SSJ Fall Meeting, Yokohama, Japan, A22-10, Oct., 2013. (Oral)
  10. 片尾 浩, 久保篤規, 山品匡史, 松島 健, 相澤広記, 酒井慎一, 澁谷拓郎, 中尾節郎, 吉村令慧, 木内亮太, 三浦 勉, 飯尾能久, 2013 年 4 月 13 日淡路島付近の地震の余震の発震機構, (Focal Mechanisms of Aftershocks for the M6.3 Awaji Island Earthquake on APR. 13, 2013 ), 2013 SSJ Fall Meeting, Yokohama, Japan, A32-06, Oct., 2013.
  11. 木内亮太, and Jim Mori, 近地・遠地波形を用いた地震波エネルギーの推定, (Estimation of Radiated Seismic Energy from Regional and Teleseismic Waveforms), JpGU Meeting 2013, Makuhari, Japan, SSS28-P14, May, 2013.
  12. 木内亮太, Jim Mori, 2012 スマトラ北部西方沖地震（Mw8.6）における地震波エネルギーの推定, (Estimation of radiated seismic energy for the 2012 off the west coast of northern Sumatra (Mw8.6)), 2012 SSJ Fall Meeting, Hakodate, Japan, P1-57, Oct., 2012.

Invited Talks

  1. Kiuchi, R., W. Mooney, J. Mori, H. Zahran, W. Al-Raddidi, and S. Youssef, Ground Motion Prediction Equations for Western Saudi Arabia from a Referenced Empirical Approach, Lawrence Livermore National Laboratory, Livermore, CA, USA, 2017.8.10
  2. Kiuchi, R., W. Mooney, J. Mori, H. Zahran, W. Al-Raddidi, and S. Youssef, New GMPEs for Saudi Arabia from recently-recorded seismic data, Saudi Geological Survey Seismic Hazard Training Course at U.S. Geological Survey, Menlo Park, CA, USA, 2017.7.27
  3. Kiuchi, R., W. Mooney, J. Mori, H. Zahran, W. Al-Raddidi, and S. Youssef, New GMPEs for Saudi Arabia from recently-recorded seismic data, Shaking, Damage, and Failure project meeting at U.S. Geological Survey, Menlo Park, CA, USA, 2017.2.22

Outreach, Teachings

  1. For Saudi Geological Survey Seismic Hazard Training Course, talking about introduction of ground motion prediction equations (GMPEs)@ U.S. Geological Survey, Menlo Park, CA, USA, 2017.7.27
  2. For Singapore high school students, talking about earthquake ground motions and Japanese earthquakes@ U.S. Geological Survey, Menlo Park, CA, USA, 2017.5.22
  3. For American boy scouts, talking about the damage of earthquake ground motions and how it happens@ U.S. Geological Survey, Menlo Park, CA, USA, 2017.5.12
  4. For Dutch college students, talking about 2011 Tohoku-oki earthquake and 2016 Kumamoto earthquake as an example of earthquake ground motions@ U.S. Geological Survey, Menlo Park, CA, USA, 2017.4.27
  5. Organizing the 2 outreach seminar and 2 experimental facilty tours as a representative of DPRI Science Communicator team for 53 students from Shijonawate high school (四條畷高校), and talking about the research life as a Ph.D student@ Disaster Prevention Research Institute (DPRI), Kyoto Univ., Uji, Japan, 2015.8.26
  6. Organizing the outreach seminar and 2 experimental facilty tours as a member of DPRI Science Communicator team for 40 students from Hikone higashi high school (彦根東高校)@ Disaster Prevention Research Institute (DPRI), Kyoto Univ., Uji, Japan, 2015.8.21
  7. Organizing the 3 outreach seminars for students from Shijonawate high school (四條畷高校), and talking about how real time data is gathered and analyzed from a lot of seismic stations@ Disaster Prevention Research Institute (DPRI), Kyoto Univ., Uji, Japan, 2014.8.28
  8. Organizing the 3 outreach seminars for students from Shijonawate high school (四條畷高校), and talking about world wide seismicity, subduction systems and historical damaging earthquakes using Papercraft Earthquake Globe @ Disaster Prevention Research Institute (DPRI), Kyoto Univ., Uji, Japan, 2013.8.29
  9. Organizing the 3 outreach seminars for students from Shijonawate high school (四條畷高校), and talking about the research life as a grad student@ Disaster Prevention Research Institute (DPRI), Kyoto Univ., Uji, Japan, 2012.8.30

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