Fusakichi Omori
| Fusakichi Omori | |
|---|---|
Fusakichi Omori
|
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| Born |
30 October 1868 Fukui, Japan |
| Died | 8 November 1923 (aged 55) Tokyo, Japan |
| Nationality | Japanese |
| Alma mater | Imperial University of Tokyo |
| Occupation | scientist |
| Known for | pioneer seismologist |
| Awards | Order of the Sacred Treasure from the Imperial Court of Japan |
Fusakichi Omori (大森 房吉 Ōmori Fusakichi?, 30 October 1868 – 8 November 1923) was a pioneer Japanese seismologist, second chairman of seismology at the Imperial University of Tokyo and president of the Japanese Imperial Earthquake Investigation Committee. Omori is also known for his observation describing the aftershock rate of earthquakes, now known as Omori's law.
Omori studied physics with the initial British foreign advisors serving as professors at the Imperial University of Tokyo, especially John Milne until he left Japan in 1895, as well as Japanese colleagues including Seikei Sekiya who in 1880 became the first professor of seismology at any university in the world at Tokyo Imperial University.
Sekiya and Omori published the first clear record of a destructive earthquake, obtained by their measuring devices at the University. In 1886 Sekiya was made chair of seismology and secretary to the Imperial Earthquake Investigation Committee and by the time of his death a decade later, Japan had nearly 1000 seismological recording stations to study seismicity in Japan.
In 1891 Omori was appointed assistant to Sekiya and in 1893 lecturer on seismology at the Imperial University. In 1895, he was sent to Germany and Italy for additional study and visited England briefly on his way home in September, 1896.
Omori became chair of seismology at the University and secretary of the Imperial Earthquake Investigation Committee following Sekya's death on 9 January 1896. He could read English, German, Italian and Japanese and maintained correspondence with many seismologists as well as writing papers in all four languages.
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