Keiiti Aki: Difference between revisions
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{{Short description|Japanese-American professor of Geophysics}} |
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{{Infobox scientist |
{{Infobox scientist |
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| name = Keiiti Aki |
| name = Keiiti Aki |
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| image = Keiiti Aki.gif |
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| birth_date = March 3, 1930 |
| birth_date = March 3, 1930 |
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| birth_place = Yokohama |
| birth_place = Yokohama, Japan |
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| death_date = |
| death_date = {{death date and age|2005|05|17|1930|03|03|mf=yes}} |
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| death_place = |
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| citizenship = the United States |
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| nationality = American |
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| nationality = Japanese |
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| fields = Geophysics |
| fields = Geophysics |
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| workplaces = MIT<br>University of Southern California |
| workplaces = MIT<br>University of Southern California |
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| doctoral_advisor = |
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| academic_advisors = |
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| doctoral_students = |
| doctoral_students = [[Shamita Das]] |
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| influenced = [[Thomas H. Jordan]] <ref>{{cite news| url=http://articles.sfgate.com/2005-05-26/bay-area/17372897_1_quantitative-seismology-keiiti-aki-students-and-colleagues | work=The San Francisco Chronicle | first=David | last=Perlman | title=Study sheds new light on Mammoth Mountain's age | date=May 26, 2005}}</ref> |
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{{nihongo|'''Keiiti Aki'''|安芸 敬一|Aki Keiichi|extra=March 3, 1930{{spaced ndash}}May 17, 2005}} was a Japanese-American [[professor]] of [[Geophysics]] at the [[Massachusetts Institute of Technology]] (MIT), [[seismologist]], [[author]] and [[mentor]]. He |
{{nihongo|'''Keiiti Aki'''|安芸 敬一|Aki Keiichi|extra=March 3, 1930{{spaced ndash}}May 17, 2005}} was a Japanese-American [[professor]] of [[Geophysics]] at the [[Massachusetts Institute of Technology]] (MIT), and then at the [[University of Southern California]] (USC), [[seismologist]], [[author]] and [[mentor]]. He and [[Paul G. Richards]] coauthored "Quantitative Seismology: theory and methods".<ref>{{Cite web|url=https://www.britannica.com/biography/Aki-Keiiti|title=Keiiti Aki {{!}} Japanese seismologist|website=Encyclopedia Britannica|language=en|access-date=2019-10-07}}</ref> |
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== Biography == |
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Aki was born in [[Yokohama]], Japan. He received his bachelor's degree in 1952 and doctoral degree in 1958, both from the [[University of Tokyo]]. Until 1960, he conducted research at that university's Earthquake Research Institute. He then did post-doctoral research at the [[Caltech Seismological Laboratory]], where he worked with [[Frank Press]].<ref name="geotimes">[http://geology.about.com/gi/o.htm?zi=1/XJ&zTi=1&sdn=geology&cdn=education&tm=7&f=11&tt=14&bt=0&bts=0&zu=http |
Aki was born in [[Yokohama]], Japan. He received his bachelor's degree in 1952 and doctoral degree in 1958, both from the [[University of Tokyo]]. Until 1960, he conducted research at that university's [[Earthquake]] Research Institute. He then did post-doctoral research at the [[Caltech Seismological Laboratory]], where he worked with [[Frank Press]].<ref name="geotimes">[http://geology.about.com/gi/o.htm?zi=1/XJ&zTi=1&sdn=geology&cdn=education&tm=7&f=11&tt=14&bt=0&bts=0&zu=http://www.geotimes.org/mar05/profiles.html "Keiiti Aki: Seismological Polymath"]{{Dead link|date=February 2020 |bot=InternetArchiveBot |fix-attempted=yes }} Geotimes (March 2005)</ref> |
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Press invited Aki to join him at [[MIT]] in 1966. This second visit to the United States coincided with the 1966 [[Parkfield earthquake]], noteworthy for its so-called coda waves, reverberations of seismic energy due to multiple scattering from subsurface inhomogeneities. Aki |
Press invited Aki to join him at [[MIT]] in 1966. This second visit to the United States coincided with the 1966 [[Parkfield earthquake]], noteworthy for its so-called coda waves, reverberations of seismic energy due to multiple scattering from subsurface inhomogeneities. Aki "developed a passion for using those waves to investigate Earth," according to Bill Ellsworth, Aki's former student who was later head of the [[USGS]] seismology group. "He came from Japan as a statistically oriented seismologist, but he was not afraid to transform himself."<ref name="geotimes" /> |
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Aki was very active in his field and was the president or chair of many organizations. He was the president of Seismological Section of the [[American Geophysical Union|AGU]], president of the [[Seismological Society of America]], and Chair of the [[United States National Academy of Sciences|NAS]] Committee on Seismology. He was instrumental in the creation of the [[Southern California Earthquake Center]], headquartered at the [[University of Southern California]], in 1991, he having moved to USC from MIT in 1984. |
Aki was very active in his field and was the president or chair of many organizations. He was the president of Seismological Section of the [[American Geophysical Union|AGU]], president of the [[Seismological Society of America]], and Chair of the [[United States National Academy of Sciences|NAS]] Committee on Seismology. He was instrumental in the creation of the [[Southern California Earthquake Center]], headquartered at the [[University of Southern California]], in 1991, he having moved to USC from MIT in 1984. |
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In 1995, Aki moved to the seismically active island [[Réunion]], east of [[Madagascar]] in the Indian Ocean, where he continued to work until his death there in 2005.<ref>[http://www.usc.edu/dept/pubrel/trojan_family/autumn05/Aki.html "In memoriam: Keiiti Aki"], USC Trojan Magazine (Autumn, 2005)</ref> He sustained an injury to his brain from a fall while walking in the street on May 13; he fell into a coma and died on May 17. He left behind two sons (Shota and Zenta) and two daughters (Kajika and Uka). |
In 1995, Aki moved to the seismically active island [[Réunion]], east of [[Madagascar]] in the Indian Ocean, where he continued to work until his death there in 2005.<ref>[http://www.usc.edu/dept/pubrel/trojan_family/autumn05/Aki.html "In memoriam: Keiiti Aki"] {{Webarchive|url=https://web.archive.org/web/20110530140108/http://www.usc.edu/dept/pubrel/trojan_family//autumn05/Aki.html |date=2011-05-30 }}, USC Trojan Magazine (Autumn, 2005)</ref> He sustained an injury to his brain from a fall while walking in the street on May 13; he fell into a coma and died on May 17. He left behind two sons (Shota and Zenta) and two daughters (Kajika and Uka). |
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==Honors received== |
==Honors received== |
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{{s-ttl|title=[[Southern California Earthquake Center]] Director |years= 1991 – 1995}} |
{{s-ttl|title=[[Southern California Earthquake Center]] Director |years= 1991 – 1995}} |
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{{s-aft|after= |
{{s-aft|after=Thomas Henyey}} |
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{{s-end}} |
{{s-end}} |
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==References== |
==References== |
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{{Reflist}} |
{{Reflist}} |
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*{{Cite news | last = Pearce | first = Jeremy | title = Keiiti Aki, 75, Is Dead; Developed a Way to Measure the Strength of an Earthquake | newspaper=[[The New York Times]] |date = May 27, 2005 | url= |
*{{Cite news | last = Pearce | first = Jeremy | title = Keiiti Aki, 75, Is Dead; Developed a Way to Measure the Strength of an Earthquake | newspaper=[[The New York Times]] |date = May 27, 2005 | url=https://www.nytimes.com/2005/05/27/obituaries/27aki.html?_r=1&oref=slogin }} |
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*{{cite web | title=Biographical Sketch for: Keiiti Aki|url=http://www.iris.edu/seismo/quakes/1964niigata/Bio4Aki.pdf |
*{{cite web | title=Biographical Sketch for: Keiiti Aki|url=http://www.iris.edu/seismo/quakes/1964niigata/Bio4Aki.pdf| accessdate=2008-04-05}} |
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* [http://www.worldwhoswho.com/views/entry.html?id=aki-0238 AKI, Keiiti] International Who's Who. accessed September 3, 2006. |
* [http://www.worldwhoswho.com/views/entry.html?id=aki-0238 AKI, Keiiti] International Who's Who. accessed September 3, 2006. |
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{{DEFAULTSORT:Aki, Keiti}} |
{{DEFAULTSORT:Aki, Keiti}} |
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[[Category:Japanese emigrants to the United States]] |
[[Category:Japanese emigrants to the United States]] |
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[[Category:People from Yokohama]] |
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[[Category:University of Tokyo alumni]] |
[[Category:University of Tokyo alumni]] |
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[[Category:California Institute of Technology alumni]] |
[[Category:California Institute of Technology alumni]] |
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[[Category:University of Southern California faculty]] |
[[Category:University of Southern California faculty]] |
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[[Category:American seismologists]] |
[[Category:American seismologists]] |
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[[Category:American people of Japanese descent]] |
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[[Category:American academics of Japanese descent]] |
[[Category:American academics of Japanese descent]] |
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[[Category:American scientists of |
[[Category:American scientists of Asian descent]] |
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[[Category:1930 births]] |
[[Category:1930 births]] |
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[[Category:2005 deaths]] |
[[Category:2005 deaths]] |
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[[Category:Japanese seismologists]] |
[[Category:Japanese seismologists]] |
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[[Category:Fellows of the American Academy of Arts and Sciences]] |
[[Category:Fellows of the American Academy of Arts and Sciences]] |
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[[Category:Fellows of the Seismological Society of America]] |
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[[Category:Southern California Earthquake Center]] |
[[Category:Southern California Earthquake Center]] |
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[[Category:Members of the United States National Academy of Sciences]] |
[[Category:Members of the United States National Academy of Sciences]] |
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[[Category:Thorarinsson Medalists]] |
Latest revision as of 06:49, 7 June 2024
Keiiti Aki | |
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![]() | |
Born | March 3, 1930 Yokohama, Japan |
Died | May 17, 2005 | (aged 75)
Nationality | American |
Citizenship | the United States |
Alma mater | University of Tokyo |
Scientific career | |
Fields | Geophysics |
Institutions | MIT University of Southern California |
Doctoral students | Shamita Das |
Keiiti Aki (安芸 敬一, Aki Keiichi, March 3, 1930 – May 17, 2005) was a Japanese-American professor of Geophysics at the Massachusetts Institute of Technology (MIT), and then at the University of Southern California (USC), seismologist, author and mentor. He and Paul G. Richards coauthored "Quantitative Seismology: theory and methods".[1]
Biography
[edit]Aki was born in Yokohama, Japan. He received his bachelor's degree in 1952 and doctoral degree in 1958, both from the University of Tokyo. Until 1960, he conducted research at that university's Earthquake Research Institute. He then did post-doctoral research at the Caltech Seismological Laboratory, where he worked with Frank Press.[2]
Press invited Aki to join him at MIT in 1966. This second visit to the United States coincided with the 1966 Parkfield earthquake, noteworthy for its so-called coda waves, reverberations of seismic energy due to multiple scattering from subsurface inhomogeneities. Aki "developed a passion for using those waves to investigate Earth," according to Bill Ellsworth, Aki's former student who was later head of the USGS seismology group. "He came from Japan as a statistically oriented seismologist, but he was not afraid to transform himself."[2]
Aki was very active in his field and was the president or chair of many organizations. He was the president of Seismological Section of the AGU, president of the Seismological Society of America, and Chair of the NAS Committee on Seismology. He was instrumental in the creation of the Southern California Earthquake Center, headquartered at the University of Southern California, in 1991, he having moved to USC from MIT in 1984.
In 1995, Aki moved to the seismically active island Réunion, east of Madagascar in the Indian Ocean, where he continued to work until his death there in 2005.[3] He sustained an injury to his brain from a fall while walking in the street on May 13; he fell into a coma and died on May 17. He left behind two sons (Shota and Zenta) and two daughters (Kajika and Uka).
Honors received
[edit]- Fellow of the American Academy of Arts and Sciences (1973)[4]
- Election to the U.S. National Academy of Sciences (1979)
- Medal of Seismological Society of America (1986)
- Thorarinsson Medal from the International Association of Volcanology and Chemistry of the Earth's Interior (2000)
- William Bowie Medal of the American Geophysical Union (2004)
- Beno Gutenberg Medal of the European Geosciences Union (2005)
Selected publications
[edit]- Aki, Keiiti (1966). "4. Generation and propagation of G waves from the Niigata earthquake of June 14, 1964. Part 2. Estimation of earthquake moment, released energy and stress-strain drop from G wave spectrum" (PDF). Bulletin of the Earthquake Research Institute. 44: 73–88.
- Aki, Keiti; Richards, Paul G. (2002). Quantitative seismology (2 ed.). University Science Books. ISBN 0-935702-96-2.
References
[edit]- ^ "Keiiti Aki | Japanese seismologist". Encyclopedia Britannica. Retrieved 2019-10-07.
- ^ a b "Keiiti Aki: Seismological Polymath"[permanent dead link] Geotimes (March 2005)
- ^ "In memoriam: Keiiti Aki" Archived 2011-05-30 at the Wayback Machine, USC Trojan Magazine (Autumn, 2005)
- ^ "Book of Members, 1780-2010: Chapter A" (PDF). American Academy of Arts and Sciences. Retrieved 6 April 2011.
- Pearce, Jeremy (May 27, 2005). "Keiiti Aki, 75, Is Dead; Developed a Way to Measure the Strength of an Earthquake". The New York Times.
- "Biographical Sketch for: Keiiti Aki" (PDF). Retrieved 2008-04-05.
- AKI, Keiiti International Who's Who. accessed September 3, 2006.
- Japanese emigrants to the United States
- People from Yokohama
- University of Tokyo alumni
- California Institute of Technology alumni
- University of Southern California faculty
- American seismologists
- American academics of Japanese descent
- American scientists of Asian descent
- 1930 births
- 2005 deaths
- Japanese seismologists
- Fellows of the American Academy of Arts and Sciences
- Fellows of the Seismological Society of America
- Southern California Earthquake Center
- Members of the United States National Academy of Sciences
- Thorarinsson Medalists