About Kiyoo Wadati
Lived 1902 – 1995 (aged 92). Kiyoo Wadati was a Japanese poet, meteorologist, geologist, seismologist and waka poet, known for Wadati–Benioff zone.
was an early seismologist at the Central Meteorological Observatory of Japan (now known as the Japan Meteorological Agency), researching deep (subduction zone) earthquakes. His name is attached to the Wadati–Benioff zone. It was Wadati's 1928 paper on shallow and deep earthquakes, comparing maximum below surface displacement against distance from the epicentre, which led Charles Richter to develop his earthquake magnitude scale in 1935.
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Important facts
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Frequently asked questions
Who was Kiyoo Wadati?
Japanese seismologist
When was Kiyoo Wadati born?
Kiyoo Wadati was born on 8 September 1902 in Nagoya.
When did Kiyoo Wadati die?
Kiyoo Wadati died on 5 January 1995 in Tokyo.
What was Kiyoo Wadati's occupation?
Kiyoo Wadati was a poet, meteorologist, geologist, seismologist and waka poet.
What was Kiyoo Wadati known for?
Kiyoo Wadati was known for Wadati–Benioff zone.
What nationality was Kiyoo Wadati?
Kiyoo Wadati was Japanese.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Kiyoo Wadati. https://biography.guide/kiyoo-wadati/
MLA: "Kiyoo Wadati." Biography.guide, https://biography.guide/kiyoo-wadati/.
Chicago: "Kiyoo Wadati." Biography.guide. https://biography.guide/kiyoo-wadati/.
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