| Brief Biography: |
| 1936 |
Born in Tokyo, Japan |
| 1962-1966 |
Research Associate, The University of Tokyo |
| 1964 |
Ph.D. (Geophysics), The University of Tokyo |
| 1965-1966 |
Research Fellow, California Institute of Technology |
| 1966-1970 |
Associate Professor, The University of Tokyo |
| 1969-1970 |
Visiting Professor, Massachusetts Institute of Technology |
| 1970-1972 |
Professor, The University of Tokyo |
| 1972-1989 |
Professor, California Institute of Technology |
| 1989-2005 |
John E. and Hazel S. Smits Professor of Geophysics, California Institute of Technology |
| 1990-1998 |
Director, Seismological Laboratory, California Institute of Technology |
| 2005-present |
John E. and Hazel S. Smits Professor of Geophysics Emeritus, California Institute of Technology |
| 2005-2006 |
Invited eminent scientist of Japan Society for the Promotion of Science Award for Eminent Scientists, Disaster Prevention Research Institute, Kyoto University |
| 2006-present |
Visiting Professor, Nagoya Universityy |
| Selected Awards and Honors: |
| 1992 |
Harry Fielding Reid Medal, The Seismological Society of America |
| 1993 |
Arthur L. Day Prize and Lectureship, National Academy of Sciences |
| 1993 |
California Scientist of the Year Award, California Science Center |
| 1994 |
Asahi Prize, The Asahi Shimbun |
| 1996 |
Walter H. Bucher Medal, American Geophysical Union |
| 2004 |
Japan Academy Prize, The Japan Academy |
| 2006 |
Person of Cultural Merit Award, Japan |
| Member: |
American Academy of Arts and Sciences |
| Selected Publications: |
| 1970 |
Synthesis of long-period surface waves and its application to earthquake source studies-Kurile Islands earthquake of October 13, 1963, Journal of Geophysical Research 75: 5011-5027. |
| 1975 |
Theoretical basis of some empirical relations in seismology, Bulletin of the Seismological Society of America 65: 1073-1095 (with Anderson, D. L.). |
| 1977 |
The energy release in great earthquakes, Journal of Geophysical Research 82: 2981-2876. |
| 1983 |
The rupture process and asperity distribution of three great earthquakes from long-period diffracted P-waves, Physics of the Earth and Planetary Interiors 31: 202-230 (Ruff, L. and Kanamori, H.). |
| 1997 |
Real-time seismology and earthquake hazard mitigation, Nature 390: 461-464 (with Hauksson, E. and Heaton, T.). |