Organization

Risk Evaluation and Disaster Mitigation Research Division
Disaster Geo-informatics Lab
Research Subject(s)
I’m working on the development of technology for the immediate determination of crustal deformation and tsunami magnitude using GNSS, and on the understanding of earthquake and volcanic eruptions mechanisms using onshore and offshore geodetic data.
Key Words
Solid earth geophysics / GNSS / Tsunami early warning / Volcanic Activity Prediction
Website
Selected Works
  • Nishimura T., Y. Hiramatsu, Y. Ohta (2023), Episodic transient deformation in the Noto Peninsula, central Japan, revealed by the analysis of multiple GNSS networks, Scientific Reports 13, 10.1038/s41598-023-35459-z. 
  • Ohta Y. and M. Ohzono (2022), Potential for crustal deformation monitoring using a dense cell phone carrier global navigation satellite system network, Earth, Planets Space, 74:25, 1-9, 10.1186/s40623-022-01585-7.
  • Ohta Y., T. Inoue, S. Koshimura, S. Kawamoto, and R. Hino (2018), Role of real-time GNSS in near-field tsunami forecasting, J. Disaster Res., Vol. 13, No. 3, pp. 453-459.
  • Ohta, Y., and M. Iguchi (2015), Advective diffusion of volcanic plume captured by dense GNSS network around Sakurajima volcano: a case study of the vulcanian eruption on July 24, 2012, Earth, Planets and Space, 67(1), 157, doi:10.1186/s40623-015-0324-x.
  • Ohta, Y., T. Kobayashi, H. Tsushima, S. Miura, R. Hino, T. Takasu, H. Fujimoto, T. Iinuma, K. Tachibana, T. Demachi, T. Sato, M. Ohzono, and N. Umino (2012), Quasi real-time fault model estimation for near-field tsunami forecasting based on RTK-GPS analysis: Application to the 2011 Tohoku-Oki Earthquake (Mw 9.0), J. Geophys. Res., 117, B0231116, doi:10.1029/2011JB008750.
Selected Memberships
  • The Seismological Society of Japan
  • The Geodetic Society of Japan
  • American Geophysical Union
Selected Awards
  • The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology, Awards for Science and Technology, Research Category (2024)
  • Japan Open Innovation Prize (2019)
  • The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology The Young Scientists' Prize (2017)