1979.03 University of Tokyo, Japan, B.S. Geophysics
1981.03 University of Tokyo, Japan, M.S. Geophysics
1985.03 Stanford University, U.S.A., Ph.D., Geophysics
1985.04 Post-Doctoral Research Fellow, Stanford University
1985.10 Post-Doctoral Research Fellow, California Institute of Technology
1987.3.1 Los Angeles Marathon 1812th (3:31:17)
1988.04 Researcher, Geological Survey of Japan
1990.2.18 Ohme Marathon (completed, no record)
1990.10 Senior Researcher, Geological Survey of Japan
1990.11.25 Tsukuba Marathon 938th (3:29:08)
1992.06 Research Associate, Earthquake Research Institute (ERI), University of Tokyo
1993.03 Lecturer, ERI, University of Tokyo
1994.10 Associate Professor, ERI, University of Tokyo
1999.04 Professor, ERI, University of Tokyo
2005.04-2007.03 Head of Ocean Hemisphere Research Center, ERI, University of Tokyo
2011.04-2013.03 Head of Ocean Hemisphere Research Center, ERI, University of Tokyo
2011.04-2013.03 Vice Director, ERI, University of Tokyo
2019.11.24 Meguro City Run 10K (56:08)
2021.04-2022.03 Project Researcher, ERI, The University of Tokyo
2021.06- Emeritus Professor, The University of Tokyo
2022.04- Emeritus Professor, ERI, The University of Tokyo
2022.04-2025.03 Distinguished Visiting Chair, Institute of Earth Sciences, Academia Sinica, Taiwan
2001.04-2002.03 Visiting Professor, Institute for Study of the Earth's Interior, Okayama University
2002.04-2003.03 Visiting Researcher, National Research Institute for Earth Science and Disaster Prevention (NIED)
2003.01-2003.10 Visiting Professor, Institut de Physique du Globe de Paris
2009.10-2009.10 Visiting Professor, Institut de Physique du Globe de Paris
2014.04-2014.05 Visiting Professor, Universite Paris Dedroit
2014.06-2014.08 Visiting Professor, Institut de Physique du Globe de Paris
2019.04-2019.04 Visiting Professor, Institut de Physique du Globe de Paris
2020.01-2020.01 Visiting Expert, Indian Institute of Geomagnetism
2021.04-2022.03 Visiting Professor, Institute of Earth Sciences, Academia Sinica, Taiwan
1995 Inoue Fellow, Inoue Foundation for Science
2012 Fellow, American Geophysical Union
2017 Beno Gutenberg Medal, European Geosciences Union
2020 Fellow, American Association for the Advancement of Science