Zefeng Li's home page


Note: I recently moved to Caltech as a postdoc. You can reach me by email: zefengli AT gps.caltech.edu or zefeng.li11 AT gmail.com. The Georgia Tech email is no longer regularly monitored.

Postdoctoral Scholar [CV]
Seismological Laboratory
California Institute of Technology
1200 E. California Blvd., MC 252-21
So. Mudd Building, Rm 257
Pasadena, CA 91125

Phone: (626) 395-3074
Fax: (626) 564-0715
E-mail: zefengli AT caltech DOT edu

Research Interests
  1. Source studies: Large-N array earthquake detection, Earthquake early warning
  2. Structure studies: Seismic anisotropy, Fault zone structure imaging
Education
  1. Ph.D. in Geophysics, 2012-2017, Georgia Institute of Technology, Atlanta, GA.
  2. B.Sc. in Geophysics, 2008-2012, University of Science and Technology of China, Hefei, China.
Employment
  1. Sep 2017 - current: Postdoctoral Scholar, Seismological Laboratory at Caltech, Pasadena, CA.
  2. Aug 2012 - Aug 2017: Research/Teaching Assistant, Georiga Tech, Atlanta, GA.
  3. May 2015 - Aug 2015: Software Intern, Schlumberger, Houston, TX.
Resources
  1. Matlab package of an automatic phase picker for local earthquakes: PSIRpicker, Tutorial, and Paper.
  2. A uniform and comprehensive database of two-decade shear-wave splitting measurements of local earthquakes in Southern California (1995-2014): SWS Database.
  3. Python package of high-resolution microseismic detection (local similarity based) for Large-N arrays. Available upon request.
Publications
  1. Li, Z., Z. Peng, and D. Hollis, High-resolution seismic event detection using local coherence for ultra-dense arrays, in revision, Sci. Rep..
  2. Li, Z., and Z. Peng (2017), Stress- and structure-induced anisotropy in Southern California from two-decades of shear-wave splitting measurements, Geophys. Res. Lett., 44, doi: 10.1002/2017GL075163. [LINK]
  3. Zhu, L., Y. Zhao, W. Li, E. Liu, J. H. McClellan, Z. Li, and Z. Peng (2017), Estimation of passive microseismic event location using random sampling based curve fitting, SEG Technical Program Expanded Abstracts 2017, pp. 2791-2796, doi: 10.1190/segam2017-17730445.1. [PDF]
  4. Li, Z., and Z. Peng (2016), An automatic phase picker for local earthquakes with predetermined locations: Combining a signal-to-noise ratio detector with 1D velocity model inversion, Seismol. Res. Lett., 87(6), 1397-1405, doi: 10.1785/0220160027. [PDF]
  5. Li, Z., and Z. Peng (2016), Automatic identification of fault zone head waves and direct P waves and its application in the Parkfield section of the San Andreas Fault, California, Geophys. J. Int., 250, 1326-1341, doi: 10.1093/gji/ggw082. [PDF]
  6. Li, Z., Z. Peng, Y. Ben-Zion, and F. Vernon (2015), Spatial variations of shear-wave anisotropy near the San Jacinto Fault Zone in southern California, J. Geophys. Res. Solid Earth, 120, 8334-8347, doi: 10.1002/2015JB012483. [PDF]
  7. Li, Z., Z. Peng, X. Meng, A. Inbal, Y. Xie, D. Hollis, and J. Ampuero (2015), Matched filter detection of microseismicity in Long Beach with a 5200-station Dense Array, SEG Technical Program Expanded Abstracts 2015, pp. 2615-2619, doi: 10.1190/segam2015-5924260.1. [PDF]
  8. Yang, W., Z. Peng, B. Wang, Z. Li, and S. Yuan (2015), Velocity contrast along the rupture zone of the 2010 Mw6.9 Yushu, China earthquake from systematic analysis of fault zone head waves, Earth Planet. Sci. Lett., 416, 91-97, doi: 10.1016/j.epsl.2015.01.043. [PDF]
  9. Yang, H., Z. Li, Z. Peng, Y. Ben-Zion, and F. Vernon (2014), Low velocity zones along the San Jacinto Fault, Southern California, from body waves recorded in dense linear arrays, J. Geophys. Res. Solid Earth, 119, 8976-8990, doi: 10.1002/2014JB011548. [PDF]
  10. Li, Z., H. Zhang, and Z. Peng (2014), Structure-controlled seismic anisotropy along the Karadere-Duzce branch of the north Anatolian fault revealed by shear-wave splitting tomography, Earth Planet. Sci. Lett., 391, 319-326, doi: 10.1016/j.epsl.2014.01.046. [PDF]

  Last updated by Zefeng Li at Caltech, Mon Sep 18 20:44:11 EDT 2017