Clarence Allen (geologist) explained

Clarence Roderic Allen (February 15, 1925 – January 21, 2021) was an American geologist who studied seismology.

Career

He was a graduate of Reed College (B.A., 1949) and the California Institute of Technology (M.S., 1951; Ph.D., 1954).^[1]

Allen was President of the Seismological Society of America in 1975^[2] and the Geological Society of America. He was a member of the American Association for the Advancement of Science, the American Geophysical Union, and the Geological Society of America. He was elected a Fellow of the American Academy of Arts and Sciences in 1975.^[3] Allen was a member of the National Academy of Sciences and the National Academy of Engineering since 1976.^[4]

Allen received the first G.K. Gilbert Award in Seismic Geology and in 1995 he received the Medal of the Seismological Society of America.^[5]

He was a member of the faculty of the California Institute of Technology since 1955.^[6] He became a professor emeritus there in 1990.^[1]

Allan died on January 21, 2021, at the age of 95.^[7]

Publications

• "Geology of Earthquakes" with Robert S. Yeats and Kerry E. Sieh. Oxford University Press (1997)
• "Comparative study of the neotectonics of the Xianshuihe fault, China" (1987)
• "Continuation of creep and strain studies in southern California" (1984)
• "Creep and strain studies in southern California: Final technical report" (1986)
• "Seismicity of the Southern California Region, 1 January 1932 to 31 December 1972" with John M. Nordquist and James A. Hileman (1973)
• "Active faulting in northern Turkey" (1969)
• "Agua Blanca fault: A major transverse structure of northern Baja California, Mexico" (1960)

Further reading

• Ford . Adrianne . Remembering Clarence Allen (1925–2021) . Seismological Research Letters . 2021 . 93 . 5–7 . 0895-0695 . 10.1785/0220210312. 244643011 .
• Clarence R. Allen, Connections – The EERI Oral History Series., Oakland, CA: Earthquake Engineering Research Institute. 2002. ISBN 0-943198-20-8.

Notes and References

1. Web site: Clarence R. Allen – Caltech: Geological and Planetary Sciences . 2009-03-13 . https://web.archive.org/web/20120920083937/http://www.gps.caltech.edu/people/crallen/profile . 2012-09-20 . dead .
2. Web site: Presidents of the Society. Seismological Society of America. December 29, 2018.
3. Web site: Book of Members, 1780–2010: Chapter A. American Academy of Arts and Sciences. 15 April 2011.
4. Book: Major Award Decisionmaking at the National Science Foundation. 10.17226/2268. 1994. 978-0-309-05029-6.
5. Web site: Aller. Jay . Caltech Press Release, 6/29/1995, Clarence Allen, Charles Richter, George Housner, Hiroo Kanamori. Caltech media relations. June 29, 1995. August 4, 2007 .
6. Who's Who in America 1986–1987 (Wilmette, Illinois: Marquis Who's Who, 1986) Vol. 1, p. 41
7. https://www.caltech.edu/about/news/clarence-allen-19252021 Clarence Allen, 1925–2021