Ruth Harris (scientist) explained

Ruth Audrey Harris
Alma Mater:University of California, Santa Barbara
Thesis Title:Structural controls of earthquake ruptures
Thesis Url:https://www.worldcat.org/oclc/
Thesis Year:1991
Doctoral Advisor:Ralph Archueta
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Ruth Harris is a scientist at the United States Geological Survey known for her research on large earthquakes, especially on how they begin, end, and cause the ground to shake. In 2019, Harris was elected a fellow of the American Geophysical Union who cited her "for outstanding contributions to earthquake rupture dynamics, stress transfer, and triggering".

Education and career

Harris has a B.S. from Massachusetts Institute of Technology, and an M.S. from Cornell University (1984).[1] After a few years of working, she came to the University of California, Santa Barbara where she earned a Ph.D. in 1991 working with Ralph Archueta.[2] [3] Following her Ph.D., she was a National Research Council postdoctoral investigator at the United States Geological Survey for two years before she was hired in a permanent position.

In 2015, Harris served as president of the Seismological Society of America.[4] [5]

Research

Harris's research into earthquakes involves a combination of computer simulations and field and laboratory investigations. She is particularly interested in creeping faults, faults that creep for long periods of time while producing multiple small earthquakes.[6] In California, Harris quantified stress within the Parkfield segment of the San Andreas Fault,[7] [8] estimated changes in stress during the 1992 Landers earthquake,[9] and tracked the impact of the 1857 Fort Tejon earthquake on subsequent earthquakes in the region.[10] She has simulated the movement of fractures across multiple segments of fault plans,[11] [12] and considered the role of earthquake depth and soil type in determining the strength of earthquakes such as the 2017 Puebla earthquake.[13] Harris led the community effort to validate computer models of earthquakes with field-based verification efforts.[14]

Selected publications

Awards and honors

Notes and References

  1. Book: Harris, Ruth Audrey. Oceanic geoid anomalies. 1984. en. 707694026.
  2. Book: Harris, Ruth Audrey. Structural controls of earthquake ruptures. 1991. en. 830696026.
  3. Web site: Distinguished Alumni Earth Science - UC Santa Barbara. 2021-09-05. www.geol.ucsb.edu.
  4. Web site: Ruth Harris. 2021-09-05. www.usgs.gov. en.
  5. Web site: Presidents of the Society . Seismological Society of America. 2021-09-05. www.seismosoc.org.
  6. Harris. Ruth A.. 2017. Large earthquakes and creeping faults. Reviews of Geophysics. en. 55. 1. 169–198. 10.1002/2016RG000539. 2017RvGeo..55..169H. 1944-9208. free.
  7. Harris. Ruth A.. Segall. Paul. 1987. Detection of a locked zone at depth on the Parkfield, California, segment of the San Andreas Fault. Journal of Geophysical Research: Solid Earth. en. 92. B8. 7945–7962. 10.1029/JB092iB08p07945. 1987JGR....92.7945H. 2156-2202.
  8. Segall. Paul. Harris. Ruth. 1987. Earthquake deformation cycle on the San Andreas Fault near Parkfield, California. Journal of Geophysical Research: Solid Earth. en. 92. B10. 10511–10525. 10.1029/JB092iB10p10511. 1987JGR....9210511S. 2156-2202.
  9. Harris. Ruth A.. Simpson. Robert W.. 1992. Changes in static stress on southern California faults after the 1992 Landers earthquake. Nature. en. 360. 6401. 251–254. 10.1038/360251a0. 1992Natur.360..251H. 4315800. 0028-0836.
  10. Harris. Ruth A.. Simpson. Robert W.. 1996. In the shadow of 1857-the effect of the Great Ft. Tejon Earthquake on subsequent earthquakes in southern California. Geophysical Research Letters. en. 23. 3. 229–232. 10.1029/96GL00015. 1996GeoRL..23..229H. 1944-8007.
  11. Harris. Ruth A.. Archuleta. Ralph J.. Day. Steven M.. 1991. Fault steps and the dynamic rupture process: 2-D numerical simulations of a spontaneously propagating shear fracture. Geophysical Research Letters. en. 18. 5. 893–896. 10.1029/91GL01061. 1991GeoRL..18..893H. 1944-8007.
  12. Harris. Ruth A.. Day. Steven M.. 1993. Dynamics of fault interaction: parallel strike-slip faults. Journal of Geophysical Research: Solid Earth. en. 98. B3. 4461–4472. 10.1029/92JB02272. 1993JGR....98.4461H. 2156-2202.
  13. News: Mock. Jillian. 18 December 2017. Size isn't the only thing that matters during an earthquake. Scienceline. 5 September 2021.
  14. Harris. R. A.. Barall. M.. Archuleta. R.. Dunham. E.. Aagaard. B.. Ampuero. J. P.. Bhat. H.. Cruz-Atienza. V.. Dalguer. L.. Dawson. P.. Day. S.. 2009-01-01. The SCEC/USGS Dynamic Earthquake Rupture Code Verification Exercise. Seismological Research Letters. en. 80. 1. 119–126. 10.1785/gssrl.80.1.119. 2009SeiRL..80..119H . 0895-0695.
  15. Web site: Harris. 22 August 2021. Honors Program.

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