Chief Expert Researcher

Director, Boring Core Research Promotion Office, Center for Integrated Volcano Research



Volcanology (Geology and Petrology)

Education and Research History

Born in December 1974

Mar. 2004 Completed Doctoral program, Graduate School of Science, The University of Tokyo

October 2009 Special Engineer, National Research Institute for Earth Science and Disaster Prevention (NIED)

Apr. 2017 Research Fellow at the same institute

March 2015 Doctor of Science (Kagoshima University)

Recent Research Activities
  • Elucidation of volcanic eruption history using observation well boring core samples
  • Investigation of ejecta at the time of eruption
  • Development of storage environment and database for utilization of borehole core samples
Selected Publications

Nagai, M., and T. Kobayashi, 2015, Formation history of volcanoes on Iwo Jima, Ogasawara, Journal of Earth Sciences, 124, 65-99.

Professional Memberships
  • The Volcanological Society of Japan
  • The Geological Society of Japan
  • The Society of Cultural Properties Science, Japan
Affiliated Fundamental Research and Development Centers

Network Center for Earthquake, Tsunami and Volcano