Okazaki Tomohisa 岡崎智久

Researcher Number	80868422
Affiliation (Current)	2025: 国立研究開発法人理化学研究所, 革新知能統合研究センター, 研究員
Affiliation (based on the past Project Information) *help	2020 – 2025: 国立研究開発法人理化学研究所, 革新知能統合研究センター, 研究員
Review Section/Research Field	Except Principal Investigator Medium-sized Section 25:Social systems engineering, safety engineering, disaster prevention engineering, and related fields / Basic Section 17040:Solid earth sciences-related
Keywords	Except Principal Investigator 地震ハザード / 機械学習 / 地震ハザード評価 / 断層すべり / 物理情報 / 地下構造 / 地殻変動 / 科学的機械学習 / 強震動予測 / 不確かさの定量評価 … More / 地震動予測 / ビッグデータ / 観測記録 / シミュレーション / 非線形地盤応答 / 強震動データベース / 地震動予測式 / 強震動 Less

Scientific Machine Learningで切り拓く地震研究の新展開
- Principal Investigator
  
  加納将行
- Project Period (FY)
  2025 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 17040:Solid earth sciences-related
- Research Institution
  Tohoku University
Study on uncertainty quantification in strong-morion prediction and seismic hazard analyses
- Principal Investigator
  
  藤原広行
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 25:Social systems engineering, safety engineering, disaster prevention engineering, and related fields
- Research Institution
  National Research Institute for Earth Science and Disaster Prevention
Depelopement of data-driven ground-motion models based on integration of observed and simulated strong-motion data
- Principal Investigator
  
  Fujiwara Hiroyuki
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 25:Social systems engineering, safety engineering, disaster prevention engineering, and related fields
- Research Institution
  National Research Institute for Earth Science and Disaster Prevention

All 2024 2023 2022 2021 2020

All Journal Article Presentation

[Journal Article] Comment on ‘Geophysical inversion and optimal transport’ by M. Sambridge, A. Jackson and A. P. Valentine2023
- Author(s)
  Okazaki Tomohisa、Ueda Naonori
- Journal Title
  
  Geophysical Journal International
  
  Volume: 233 Issue: 2 Pages: 1484-1487
- DOI
  10.1093/gji/ggad001
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20H00292
[Journal Article] Simulation of broad-band ground motions with consistent long-period and short-period components using the Wasserstein interpolation of acceleration envelopes2021
- Author(s)
  Okazaki Tomohisa、Hachiya Hirotaka、Iwaki Asako、Maeda Takahiro、Fujiwara Hiroyuki、Ueda Naonori
- Journal Title
  
  Geophysical Journal International
  
  Volume: 227 Issue: 1 Pages: 333-349
- DOI
  10.1093/gji/ggab225
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20H00292
[Journal Article] Monotonic Neural Network for Ground-Motion Predictions to Avoid Overfitting to Recorded Sites2021
- Author(s)
  Okazaki Tomohisa、Morikawa Nobuyuki、Fujiwara Hiroyuki、Ueda Naonori
- Journal Title
  
  Seismological Research Letters
  
  Volume: 92 Issue: 6 Pages: 3552-3564
- DOI
  10.1785/0220210099
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H00292
[Journal Article] Ground-Motion Prediction Model Based on Neural Networks to Extract Site Properties from Observational Records2021
- Author(s)
  Okazaki Tomohisa、Morikawa Nobuyuki、Iwaki Asako、Fujiwara Hiroyuki、Iwata Tomoharu、Ueda Naonori
- Journal Title
  
  Bulletin of the Seismological Society of America
  
  Volume: 111(4) Issue: 4 Pages: 1740-1753
- DOI
  10.1785/0120200339
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H00292
[Presentation] Broadband ground motions from physics-based simulation and embedding-interpolation machine learning2024
- Author(s)
  T. Okazaki, A. Iwaki, T. Maeda, H. Fujiwara, N. Ueda
- Organizer
  18th World Conference on Earthquake Engineering
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H00219
[Presentation] 強震動データベースに基づく強震動予測モデルの比較2022
- Author(s)
  岩城麻子・森川信之・藤原広行・岡崎智久・久保久彦・司宏俊・小穴温子・石井透・友澤裕介・引田智樹
- Organizer
  日本地震学会2022年度秋季大会，S15-16，2022．
- Data Source
  KAKENHI-PROJECT-20H00292
[Presentation] 地震動予測式のサイト汎化性能：単調ニューラル・ネットワークの適用2021
- Author(s)
  岡崎智久・森川信之・藤原広行・上田修功
- Organizer
  日本地球惑星科学連合2021年大会，SCG52-05，2021．
- Data Source
  KAKENHI-PROJECT-20H00292
[Presentation] Neural Network-Based Ground Motion Model Learning Site Property from Data2020
- Author(s)
  岡崎智久, 岩田具治, 岩城麻子, 藤原広行, 上田修功
- Organizer
  日本地球惑星科学連合大会
- Data Source
  KAKENHI-PROJECT-20H00292
[Presentation] 観測点特性を地震観測記録から学習する地震動予測ニューラル・ネットワーク2020
- Author(s)
  岡崎智久, 森川信之, 岩城麻子, 藤原広行, 岩田具治, 上田修功
- Organizer
  第23回情報論的学習理論ワークショップ
- Data Source
  KAKENHI-PROJECT-20H00292
[Presentation] 伝播経路を特定した地震動予測ニューラル・ネットワーク2020
- Author(s)
  岡崎智久, 森川信之, 岩城麻子, 藤原広行, 上田修功
- Organizer
  日本地震学会秋季大会
- Data Source
  KAKENHI-PROJECT-20H00292

1. Fujiwara Hiroyuki (80414407)

# of Collaborated Projects: 2 results

# of Collaborated Products: 9 results
2. 上田修功 (60379568)

# of Collaborated Projects: 2 results

# of Collaborated Products: 9 results
3. 市村強 (20333833)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. 八谷大岳 (00578908)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
5. 森川信之 (60414413)

# of Collaborated Projects: 2 results

# of Collaborated Products: 6 results
6. 前田宜浩 (00594160)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
7. 岩城麻子 (30770309)

# of Collaborated Projects: 2 results

# of Collaborated Products: 7 results
8. 糸井達哉 (60393625)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 青井真 (80360379)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 加納将行 (10739056)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 佐藤大祐 (40981486)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 縣亮一郎 (80793679)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Okazaki Tomohisa 岡崎 智久

Research Projects

Research Products

Co-Researchers

Scientific Machine Learningで切り拓く地震研究の新展開

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Study on uncertainty quantification in strong-morion prediction and seismic hazard analyses

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Depelopement of data-driven ground-motion models based on integration of observed and simulated strong-motion data

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Comment on ‘Geophysical inversion and optimal transport’ by M. Sambridge, A. Jackson and A. P. Valentine2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Simulation of broad-band ground motions with consistent long-period and short-period components using the Wasserstein interpolation of acceleration envelopes2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Monotonic Neural Network for Ground-Motion Predictions to Avoid Overfitting to Recorded Sites2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Ground-Motion Prediction Model Based on Neural Networks to Extract Site Properties from Observational Records2021

Author(s)

Journal Title

DOI

Data Source

[Presentation] Broadband ground motions from physics-based simulation and embedding-interpolation machine learning2024

Author(s)

Organizer

Data Source

[Presentation] 強震動データベースに基づく強震動予測モデルの比較2022

Author(s)

Organizer

Data Source

[Presentation] 地震動予測式のサイト汎化性能：単調ニューラル・ネットワークの適用2021

Author(s)

Organizer

Data Source

[Presentation] Neural Network-Based Ground Motion Model Learning Site Property from Data2020

Author(s)

Organizer

Data Source

[Presentation] 観測点特性を地震観測記録から学習する地震動予測ニューラル・ネットワーク2020

Author(s)

Organizer

Data Source

[Presentation] 伝播経路を特定した地震動予測ニューラル・ネットワーク2020

Author(s)

Organizer

Data Source

Okazaki Tomohisa 岡崎智久