For press and media inquiries, please contact us below:
Hiroshima University, Public Relations Office
E-mail: koho[at]office.hiroshima-u.ac.jp (Change [at] into @)
1-3-2 Kagamiyama, Higashi-Hiroshima City, Hiroshima, Japan 739-8511
Faculty Information Details
All data is as of November 03, 2025.
- OKAZAKI KEISHI
- Associate Professor
| Affiliation | Graduate School of Advanced Science and Engineering |
|---|---|
| Discipline | Earth and Planetary Science |
| Academic Degrees |
Hiroshima University Hiroshima University |
| Research Fields |
Mathematical and physical sciences; Earth and planetary science; Solid earth and planetary physics Mathematical and physical sciences; Earth and planetary science; Geology Mathematical and physical sciences; Earth and planetary science; Petrology / Mineralogy / Economic geology |
| Research Keywords | subduction zone, plate tectonics, earthquake, oceanic crust, mantle, metamorphic rocks, rheology, friction, permeability, serpentine |
| Comments | I study rheological properties (fracture, friction, crystal plasticity) of rocks and minerals, especially fault zone materials and metamorphic rocks (e.g., hydrated mantle, altered oceanic crust and sediments), and how they evolve during metamorphic reactions to understand the mechanism of normal/slow earthquakes in subduction zones. |
| Profiles of Faculty and Research Scholars |
Click here |
| Past media appearances | |
| Topic |
Physics/Physical Property |
| SDGs | |
| Educational Programs |
[Bachelor Degree Program] School of Science : Earth and Planetary Systems Science : Earth and Planetary Systems Science [Master's Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Earth and Planetary Systems Science Program [Doctoral Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Earth and Planetary Systems Science Program |
Media Inquiries
Media Inquiry Form
For students and prospective applicants, please reach out through the links below:
International Admissions Office | List of Schools and Graduate Schools | Contact Information

