Nagao Hiromichi

• 2023 - 2028 Mathematical Foundation for Seismic Modeling Pioneered by Information Statistics
• 2023 - 2027 International Joint Research on Seismological Big Data Analysis Techniques Using Artificial Intelligence
• 2021 - 2026 Synergy effect Through Human and Artificial Intelligence Towards New Era in Seismology
• 2019 - 2024 Innovative Methods for Scientific Computing in the Exascale Era by Integrations of (Simulation+Data+Learning)
• 2017 - 2023 Intelligent seismic data processing based on integration of next-generation seismic observations and the forefront of Bayesian statistics
2017 - 2023 ベイズ推論とスパースモデリングによる計測と情報の融合
2020 - 2022 Development of a sequential/non-sequential hybrid-type data assimilation method
2018 - 2022 Research and development of multivariate seasonal adjustment method
2017 - 2022 Development of risk assesment techniques for natural disasters based on data-driven simulator
2017 - 2020 Innovative four-dimensional variation method for data assimilation based on large-scale models
2016 - 2019 A Novel Development of Auto-tuning Technologies for Communication Avoiding and Reducing Algorithms
2014 - 2019 Study on physical interaction between multi-sphere and evaluation of global warming in the Antarctic by using propagation characteristics of subaudio frequency waves
2016 - 2018 Observation matrix design based on sparse modeling beneficial to rapid data assimilation
2014 - 2018 Construction of next-generation data assimilation for the solid Earth science
2013 - 2018 Assessment of Earthquake Disasters Based on Multiple-Earthquake Scenarios for Next Generation Urban Area Model
2014 - 2016 疎性モデリングとの融合によるデータ同化研究の新展開
2011 - 2015 Development of data assimilation system using cloud computing technology
2011 - 2014 Research on advancement of computer-intensive methods for statistical estimations along with Graphical Processing Units and development of application software
2006 - 2008 Elucidation of wide and deep electrical conductivity structure beneath the marginal region of the Eurasian Continent
2006 - 2007 電離層全電子数データを用いた常時地球自由振動励起源の探索

• Atsushi Nakao, Tatsu Kuwatani, Shin-ichi Ito, Hiromichi Nagao. Adjoint-based marker-in-cell data assimilation for constraining thermal and flow processes from Lagrangian particle records. Journal of Geophysical Research Solid Earth. 2025. 2
• Hiromichi Nagao, Shin-ichi Ito, Mitsuru Matsumura. Dominant mode extraction based on the four-dimensional variational method. The Proceedings of 27th International Conference on Information Fusion. 2024
• Tomoki Tokuda, Hiromichi Nagao. Wishart mixture-based multiple clustering for selecting seismic stations for low-frequency earthquake detection. 2024. 52. 2
• Atsushi Nakao, Tatsu Kuwatani, Shin-ichi Ito, Hiromichi Nagao. Adjoint-based data assimilation for reconstruction of thermal convection in a highly viscous fluid from surface velocity and temperature snapshots. Geophysical Journal International. 2023
• Tomoki Tokuda, Hiromichi Nagao. Seismic-phase detection using multiple deep learning models for global and local representations of waveforms. Geophysical Journal International. 2023. 235. 2. 1163-1182

ｍore...

• 長尾 大道, 徳田 智磯. 最先端情報科学による地震研究の深化. 計測と制御. 2025. 64. 3. 145-150
• 長尾 大道. 人工知能と自然知能の対話・協働による地震研究の新展開. 地震ジャーナル. 2023. 76. 64-71
• 長尾 大道. データ同化の基礎と応用-Foundation of Data Assimilation and Its Applications. システム制御情報学会研究発表講演会講演論文集. 2022. 66. 885-891
• NAGAO Hiromichi, ITO Shin-ichi, KANEKO Ryosuke. Deepening of Earthquake Research Based on Data Science. Proceedings of the Annual Conference of JSAI. 2022. JSAI2022. 1G4OS22a01-1G4OS22a01
• NAGAO Hiromichi. Deepening of Data Assimilation and Its Application to Seismology. The Journal of The Institute of Electrical Engineers of Japan. 2021. 141. 6. 345-349

ｍore...

• 人工知能に基づく地震波形表現モデル獲得
  (Conductivity Anomaly研究会 2025)
• 連続時間生成モデルによる地震波形データに基づくスロー地震の確率微分方程式表現の獲得
  (日本統計学会春季集会 2025)
• 最先端の情報科学に基づく固体地球観測データ解析技術・モデリング技術の開発研究
  (災害の軽減に貢献するための地震火山観測研究計画(第3次) 令和6年度成果報告シンポジウム 2025)
• Use of sequential models to detect seismic event detection and phase identification using Distributed Acoustic Sensing records of seafloor cable in Sanriku
  (American Geophysical Union Fall Meeting 2024)
• Detection of Deep Low-Frequency Tremors From Continuous Paper Records at a Station in Southwest Japan About 50 Years Ago Based on Convolutional Neural Network
  (American Geophysical Union Fall Meeting 2024)

ｍore...

• 2013/11 - 現在 The Institute of Statistical Mathematics
• 2013/10 - 現在 The University of Tokyo Graduate School of Information Science and Technology Associate Professor
• 2013/09 - 現在 The University of Tokyo Earthquake Research Institute Associate Professor
• 2010/12 - 2013/08 Research Organization of Information and Systems The Institute of Statistical Mathematics Project Associate Professor
• 2009/06 - 2010/11 Research Organization of Information and Systems The Institute of Statistical Mathematics Researcher
2006/03 - 2009/05 Japan Agency for Marine-Earth Science and Technology Institute for Research on Earth Evolution Scientist
2002/04 - 2006/02 Japan Nuclear Cycle Development Institute Tono Geoscience Center Visiting Scientist

応用統計学会 ,  American Geophysical Union ,  THE GEODETIC SOCIETY OF JAPAN ,  SOCIETY OF GEOMAGNETISM AND EARTH, PLANETARY AND SPACE SCIENCES ,  SEISMOLOGICAL SOCIETY OF JAPAN ,  THE JAPAN STATISTICAL SOCIETY ,  Society for Industrial and Applied Mathematics ,  European Geosciences Union ,  JAPAN GEOSCIENCE UNION ,  American Physical Society ,  THE JAPAN SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS