http://www.earth.sinica.edu.tw/~zhaol/Bust_LiZhao.jpgLi Zhao  Research Fellow & Deputy Director

Institute of Earth Sciences
Academia Sinica
128 Academia Road, Sec.2
Taipei 11529
Taiwan
Tel.:  +886-2-2783-9910 ext. 320
E-mail:  zhaol@earth.sinica.edu.tw


Research Fields:

 

Computational seismology;
Seismic tomography;
Inversion of earthquake sources;
Seismic hazard analysis.


Education

  • Ph.D., Geological and Geophysical Sciences, Princeton University, June 1995.
  • B.Sc.,Geophysics, University of Science and Technology of China (USTC), June 1986.

Employment

  • 2013.9- :     Research Fellow, Institute of Earth Sciences, Academia Sinica, Taipei, Taiwan.
  • 2010.8- :     Associate Professor (joint appointment), National Taiwan University, Taipei, Taiwan.
  • 2006.8-2013.8 :  Associate Research Fellow, Institute of Earth Sciences, Academia Sinica, Taipei, Taiwan.
  • 2005.9-2006.8 :  Visiting Assistant Research Fellow, Institute of Earth Sciences, Academia Sinica, Taipei, Taiwan.
  • 2000.9-2005.8 :  Research Assistant Professor, Department of Earth Sciences, University of Southern California, Los Angeles, CA 90089-0740, USA.
  • 1997.8-2000.8 :  Research Scientist , Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • 1995.7-1997.7 :  Postdoctoral Research Fellow, Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • 1990.9-1995.6 :  Graduate Research Assistant, Department of Geological and Geophysical Sciences, Princeton University, Princeton, NJ 08544, USA.
  • 1986.7-1990.8 :  Research Associate, Center for Earthquake Analysis and Prediction, China Seismological Bureau, 63 Fuxing Road, Beijing 100036, China.

Membership

  • American Geophysical Union
  • Seismological Society of America
  • Chinese Geophysical Union

Publication

     1.      1992  Zhao, L., Li, Z.-J. and Zheng, S.-H. Focal mechanism of the October 19, 1989, Datong, China, earthquake, Acta Seismologica Sinica, 5(4), 887-890.

     2.      1993  Zhao, L. and Dahlen, F. A. Asymptotic eigenfrequencies of the Earth's normal modes, Geophys. J. Int., 115, 729-758.

     3.      1995  Zhao, L. and Dahlen, F. A. Asymptotic normal modes of the EarthII. Eigenfunctions, Geophys. J. Int., 121, 585-626.

     4.      1995  Zhao, L. and Dahlen, F. A. Asymptotic normal modes of the EarthIII. Fréchet kernel and group velocity, Geophys. J. Int., 122, 299-325.

     5.      1996  Zhao, L. and Dahlen, F. A. Mode-sum to ray-sum transformation in a spherical and an aspherical Earth, Geophys. J. Int., 126, 389-412.

     6.      1998  Zhao, L. and Jordan, T. H. Sensitivity of frequency-dependent traveltimes to laterally heterogeneous, anisotropic Earth structure, Geophys. J. Int., 133, 683-704.

     7.      1998  Katzman, R., Zhao, L. and Jordan, T. H. High-resolution, two-dimensional vertical tomography of the central Pacific mantle using ScS reverberations and frequency-dependent travel times, J. Geophys. Res., 102, 9887-9909.

     8.      2000  Zhao, L., Jordan, T. H. and Chapman, C. H. Three-dimensional Fréchet differential kernels for seismic delay times, Geophys. J. Int., 141, 558-576.

     9.      2000  McGuire, J.J., Zhao, L. and Jordan, T. H. Rupture dimensions of the 1998 Antarctic earthquake from low-frequency waves, Geophys. Res. Lett., 27, 2305-2308.

 10.      2001  McGuire, J.J., Zhao, L. and Jordan, T. H. Teleseismic inversion for the second-degree moments of earthquake space-time distributions, Geophys. J. Int., 145, 661-678.

 11.      2002  McGuire, J.J., Zhao, L. and Jordan, T. H. Predominance of unilateral rupture for a global catalog of large earthquakes, Bull. Seism. Soc. Am., 92, 3309-3317, 2002.

 12.      2003  Zhao, L. and Chevrot, S. SS-wave sensitivity to upper mantle structure: Implications for the mapping of transition zone discontinuity topographies, Geophys. Res. Lett., 30(11), 1590, doi:10.1029/2003GL017223.

 13.      2005  Chen, P., Jordan, T. H. and Zhao, L. Finite moment tensor of the 3 September, 2002, Yorba Linda earthquake, Bull. Seism. Soc. Am., 95, 1170-1180.

 14.      2005  Zhao, L., Jordan, T. H., Olsen, K. B. and Chen, P . Fréchet kernels for imaging regional Earth structure based on three-dimensional reference models, Bull. Seism. Soc. Am ., 95, 2066-2080.

 15.      2005  Wu, Y.-M., Yen, H.-Y., Zhao, L., Huang, B.-S. and Liang, W.-T. Magnitude determination using initial P waves: A single station approach, Geophys. Res. Lett., 33, L05306, doi:10.1029/2005GL025395.

 16.      2006  Zhao, L. and Jordan, T. H. Structural sensitivities of finite-frequency seismic waves: A full-wave approach, Geophys. J. Int., 165, 981-990, doi: 10.1111/j.1365-246X.2006.02993.x.

 17.      2006  Zhao, L., Chen, P. and Jordan, T. H. Strain Green tensor, reciprocity, and their applications to seismic source and structure studies, Bull. Seism. Soc. Am., 96, 1753-1763, doi:10.1785/0120050253.

 18.      2006  Wu, Y-.M. and Zhao, L. Magnitude estimation using the first three seconds P-wave amplitude in earthquake early warning, Geophys. Res. Lett., 33, L16312, doi:10.1029/2006GL026871.

 19.      2006  Deelman, E., Callaghan, S., Field, E., Francoeur, H., Graves, R., Gupta, N., Gupta, V., Jordan, T. H., Kesselman, C., Maechling, P., Mehringer, J., Mehta, G., Okaya, D., Vahi, K., and Zhao, L. Managing large-scale workflow execution from resource provisioning to provenance tracking: The CyberShake example, e-Science Conference 2006, December 4-6, 2006, Amsterdam, Netherlands. Best Paper Award.

 20.      2007  Chevrot, S. and Zhao, L. Multiscale finite-frequency Rayleigh wave tomography of the Kaapvaal craton, Geophys. J. Int., 169, 201-215, doi:10.1111/j.1365-246X.2006.03289.x.

 21.      2007  Chen, P., Jordan, T. H. and Zhao, L. Full three-dimensional tomography: a comparison between the scattering-integral and adjoint-wavefield methods, Geophys. J. Int., 170, 175-181, doi: 10.1111/j.1365-246X.2007.03429.x.

 22.      2007  Chen, P., Zhao, L. and Jordan, T. H. Full 3D seismic waveform tomography for the Los Angeles Basin area, Bull. Seism. Soc. Am., 97, 1094-1120, doi: 10.1785/0120060222.

 23.      2007  Chang, C.-H., Wu, Y.-M., Zhao, L. and Wu, F.-T. Aftershocks of the 1999 Chi-Chi, Taiwan, earthquake: The first hour, Bull. Seism. Soc. Am., 97, 1245-1258, doi: 10.1785/0120060184.

 24.      2007  Wu, Y.-M., Chang, C.-H., Zhao, L., Shyu, J. B. H., Chen, Y.-G., Sieh, K. and Avouac, J.-P. Seismic tomography of Taiwan: Improved constraints from a dense network of strong-motion stations, J. Geophys. Res., 112, B08312, doi:10.1029/2007JB004983.

 25.      2007  Zhang, Z., Shen, Y. and Zhao, L. Finite-frequency sensitivity kernels for head waves, Geophys. J. Int., 171, 847-856, doi:10.1111/j.1365-246X.2007.03575.x.

 26.      2007  Maechling, P., Deelman, E., Zhao, L., Graves, R., Mehta, G., Gupta, N., Mehringer, J., Kesselman, C., Callaghan, S., Okaya, D., Francoeur, H., Gupta, V., Cui, Y., Vahi, K., Jordan, T. H., and Field, E. SCEC CyberShake workflowsautomating probabilistic seismic hazard analysis calculations, in Workflows for eScience: Scientific Workflows for Grids, Taylor, I. J., Deelman, E., Gannon, D. B., and Shields, M., (Eds.), Springer, 2007, 530p, ISBN: 978-1-84628-519-6.

 27.      2008  Wu, Y.-M., Chang, C.-H., Zhao, L., Teng, T.-L. and Nakamura, M. A comprehensive relocation of earthquakes in Taiwan from 1991 to 2005, Bull. Seism. Soc. Am., 98, 1471-1481, doi: 10.1785/0120070166.

 28.      2008  Wu, Y.-M., Zhao, L., Chang, C.-H. and Hsu, Y.-J. Focal mechanism determination in Taiwan by genetic algorithm, Bull. Seism. Soc. Am., 98, 651-661.

 29.      2008  Shen, Y., Zhang, Z. and Zhao, L. Component-dependent Fréchet sensitivity kernels and utility of three-component seismic records, Bull. Seism. Soc. Am., 98, 2517-2525.

 30.      2008  Wu, Y.-M., Chen, C.-C., Zhao, L. and Chang, C.-H. Seismicity characteristics before the 2003 Chengkung, Taiwan, earthquake, Tectonophysics, 457, 177-182.

 31.      2008  Wu, Y.-M., Zhao, L., Chang, C.-H., Hsiao, N.-C., Chen, Y.-G. and Hsu, S.-K. Relocation of the 2006 Pingtung earthquake sequence and seismotectonics in southern Taiwan, Tectonophysics, 479, 19-27, doi:10.1016/j.tecto.2008.12.001.

 32.      2009  Zheng, Z., Zhao, L., Chen, Q.-F. and Zhou, S.-Y. Finite-source waveform modeling of moderate and small earthquakes: the 2006 Wenan earthquake, Chinese Journal of Geophysics, 52, 976-982, doi: 10.3969/j.issn.0001-5733.2009.04.014.

 33.      2009  Hsiao, N.-C., Wu, Y.-M., Shin, T.-C., Zhao, L. and Teng, T.-L. Development of earthquake early warning system in Taiwan, Geophys. Res. Lett., 36, L00B02, doi:10.1029/2008GL036596.

 34.      2009  Wu, Y.-M., Shyu, J. B. H., Chang, C.-H., Zhao, L., Nakamura, M. and Hsu, S.-K. Improved seismic tomography offshore northeastern Taiwan: Implications for subduction and collision processes between Taiwan and the southernmost Ryukyu, Geophys. J. Int., 178, 1042-1054, doi: 10.1111/j.1365-246X.2009.04180.x.

 35.      2010  Chao, W.-A., Wu, Y.-M. and Zhao, L. An automatic scheme for baseline correction of strong-motion records in coseismic deformation determination, J. Seismology, doi: 10.1007/s10950-009-9178-7.

 36.      2010  Chen, P., Jordan, T. H. and Zhao, L. Resolving fault plane ambiguity for small earthquakes, Geophys. J. Int., 181, 493-501, doi: 10.1111/j.1365-246X.2010.04515.x.

 37.      2010  Yang, H.-Y., Zhao, L. and Hung, S.-H. Synthetic seismograms by normal-mode summation: A new derivation and numerical examples, Geophys. J. Int., 183, 1613-1632.

 38.      2010  Hsieh, J.-T., Wu, Y.-M., Zhao, L., Chao, W.-A. and Wu, C.-F. An examination of tc-Pd earthquake early warning method using a strong-motion building array, Soil Dynamics and Earthquake Engineering, doi: 10.1016/j.soildyn.2009.12.015.

 39.      2011  Hsiao, N.-C., Wu, Y.-M., Zhao, L., Chen, D.-Y., Huang, W.-T., Kuo, K.-H., Shin, T.-C. and Leu, P.-L. A new prototype system for earthquake early warning in Taiwan, Soil Dynamics and Earthquake Engineering, doi: 10.1016/j.soildyn.2010.01.008.

 40.      2011  Lin, Y.-P., Zhao, L. and Hung, S.-H. First-arrival times from an active-source experiment in the TAIGER project and their application to the assessment of tomography models, Bull. Seism. Soc. Am., 101, 866-880.

 41.      2011  Zhao, L. and Chevrot, S. An efficient and flexible approach to the calculation of three-dimensional full-wave Fréchet kernels for seismic tomography: I-Theory, Geophys. J. Int., 185, 922-938.

 42.      2011  Zhao, L. and Chevrot, S. An efficient and flexible approach to the calculation of three-dimensional full-wave Fréchet kernels for seismic tomography: II-Numerical results, Geophys. J. Int., 185, 939-954.

 43.      2011  Chao, W.-A., Zhao, L. and Wu, Y.-M. Centroid fault-plane inversion in three-dimensional velocity structure using strong-motion records, Bull. Seism. Soc. Am., 101, 1330-1340.

 44.      2012  Zhang, W., Shen, Y. and Zhao, L.. Three-dimensional anisotropic seismic wave modelling in spherical coordinates by a collocated-grid finite-difference method, Geophys. J. Int., 188, 1359-1381.

 45.      2012  Fuji, N., Chevrot, S., Zhao, L.., Geller, R. J., and Kawai, K. Partial derivatives of high-frequency teleseismic compressional body waves for 3-D Earth structure, Geophys. J. Int., 190, 522-540.

 46.      2012  Wu, W.N., Zhao, L. and Wu, Y.-M. Empirical relationships between aftershock zone dimensions and moment magnitudes for plate boundary earthquakes in Taiwan. Bull. Seism. Soc. Am., 103, 424-436, doi: 10.1785/0120120173.

 47.      2013  Wu, W.N., Zhao, L. Delineating seismogenic structures by a revised best estimate method: application to the Taiwan orogenic belt. J. Seismology, 17, 545-556, doi 10.1007/s10950-012-9336-1.

 48.      2013  Chao, W.-A,. Zhao, L., Wu, Y.-M. and Lee, S.-J. Imaging source slip distribution by the back-projection of P-wave amplitudes from strong-motion records: A case study for the 2010 Jiasian, Taiwan, earthquake, Geophys. J. Int., 193, 1713-1725.

 49.      2013  Zhao, L., Luo, Y., Liu, T.-Y. and Luo, Y.-J. Earthquake focal mechanisms in Yunnan and their inference on regional stress field, Bull. Seism. Soc. Am., 103(4), 103, 2498-2507.

 50.      2013  Chen, C.-H., Chao, W.-A., Wu, Y.-M., Zhao, L., Chen, Y.-G., Ho, W.-Y., Lin, T.-L., Kuo, K.-H. and Chang, J.-M. A seismological study of landquakes using a real-time broadband seismic network, Geophys. J. Int., 194, 885-898.

 51.      2013  Li, S.-Q., Chen, Q.-F., Zhao, L., Zhu, L.-P., Gao, J.-Z., Li, M.-F., Liu, G.-P. and Wang, B. Anomalous focal mechanism of the May 2011 Mw5.7 deep earthquake in Northeastern China: regional waveform inversion and possible mechanism, Chinese Journal of Geophysics, 59, 2959-2970, doi: 10.6038/cjg20130910.

 52.      2014  Lin, Y.-P., Zhao, L. and Hung, S.-H. Full-wave effects on shear-wave splitting, Geophys. Res. Lett., 41, 799-804.

 53.      2014  Legendre, C. P., Frédéric, D., Zhao, L., Lebedev, S. and Chen, Q.-f. Anisotropic Rayleigh-wave phase-velocity maps of eastern China, J. Geophys. Res., 119, doi:10.1002/2013JB010781.

 54.      2014  Hsieh, M.-C., Zhao, L. and Ma, K.-F. Efficient waveform inversion for average earthquake rupture in three-dimensional structures, Geophys. J. Int., 198, 1279-1292.

 55.      2014  Legendre, C. P., Chen, Q.-f. and Zhao, L. Lithospheric structure beneath the East China Sea revealed by Rayleigh-wave phase velocities, J. Asian Earth Sci., 96, 213-225.

 56.      2014  Chong, J., Ni, S. and Zhao, L. Joint inversion of crustal structure with Rayleigh wave phase velocity dispersion and ZH ratio, PAGEOPH, doi: 10.1007/s00024-014-0902-z..

 57.      2014  Lin, Y.-P., Zhao, L. and Hung, S.-H. Full-wave multiscale anisotropy tomography in Southern California, Geophys. Res. Lett., 41, doi: 10.1002/2014GL061855.

 58.      2015  Chao, W.-A., Wu, Y.-M., Zhao, L., Tsai, V. and Chen, C.-H. Seismologically determined bedload flux during the typhoon season, Sci. Rep. 5, 8261, doi: 10.1038/srep08261.

 59.      2015  Legendre, C. P., Zhao, L., Huang, B.-S., and Huang, W.-G. Anisotropic Rayleigh-wave phase velocities beneath northern Vietnam, Earth, Planets and Space, 67:28, doi: 10.1186/s40623-015-0193-3.

 60.      2015  Luo, Y., Zhao, L., Zeng, X. F. and Gao, Y. Focal mechanisms of the Lushan earthquake sequence and spatial variation of the stress field, Sci. China: Earth Sci., 58 1-11, doi: 10.1007/s11430-014-5017-y.

 61.      2015  Tang, V., Zhao, L., and Hung, S.-H. Seismological evidence for a non-monotonic velocity gradient in the topmost outer core, Sci. Rep., 5, 8613; doi: 10.1038/srep08613.

 62.      2015  Legendre, C. P., Zhao, L., and Chen, Q.-f. Upper-mantle shear-wave structure under East and Southeast Asia from Automated Multimode Inversion of Waveforms, Geophys. J. Int., 203, 707-719.

 63.      2015  Yu, H., Zhao, L., Liu, Y., Ning, J., Chen, Q.-f., and Lin, J. Stress adjustment revealed by seismicity and earthquake focal mechanisms in northeast China before and after the 2011 Tohoku-Oki earthquake, Tectonophysics, doi: 10.1016/j.tecto.2015.10.009.

 64.      2015  Legendre, C. P., Deschamps, F., Zhao, L., and Chen, Q.-f. Rayleigh-wave dispersion reveals crust-mantle decoupling beneath eastern Tibet, Sci. Rep., 5, 16644, doi: 10.1038/srep16644.

 65.      2016  Singh, A. P., Zhao, L., Kumar, S., and Mishra, S. Inversions for focal mechanisms and regional stress in the Kachchh Rift Basin, western India: Tectonic implications, J. Asian Earth Sci., 117, 269-283.

 66.      2016  Chao, W.-A., Zhao, L., Chen, S.-C., Wu, Y.-M., Chen, C.-H., and Huang, H.-H. Seismology-based early identification of dam-formation landquake events, Sci. Rep., 6, 19259, doi: 10.1038/srep19259.

 67.      2016  Hsieh, M.-C., Zhao, L., Ji, C., and Ma, K.-F. Efficient inversions for earthquake slip distributions in three-dimensional structures, Seismol. Res. Lett., 87, 1-13, doi: 10.1785/0220160050.

 68.      2016  Legendre, C. P., Zhao, L., Deschamps, F., and Chen, Q.-f. Layered anisotropy within the crust and lithospheric mantle beneath the Sea of Japan, J. Asian. Earth. Sci., 128, 181-195, http://dx.doi.org/10.1016/j.jseaes.2016.07.010.

 69.      2017  Chao, W.-A., Wu, Y.-M., Zhao, L., Chen, H., Chen, Y.-G., and Huang, H.-H. A first real-time seismology-based landquake monitoring system, Sci. Rep., 7, 43510, doi: 10.1038/srep43510.

 70.      2017  Ko, Y.-T., Hung, S.-H., Kuo, B.-Y., and Zhao, L. Seismic evidence for the depression of the D" discontinuity beneath the Caribbean: Implication for slab heating from the Earth's core, Earth. Planet. Sci. Lett., 467, 128-137, http://dx.doi.org/10.1016/j.epsl.2017.03.032.

 71.      2017  Singh, A. P., Rao, N. P., Kumar, M. R., Hsieh, M.-C., and Zhao, L. Role of the Kopili Fault in deformation tectonics of the Indo-Burmese Arc inferred from the rupture process of the 3 January 2016 Mw6.7 Imphal earthquake, Bull. Seism. Soc. Am., 107(2), 1041-1047, doi: 10.1785/0120160276.

 72.      2017  Tian, Y., Legendre, C. P., Zhou, T., Han, J. G., Zhao, L., and Ning, J. Y. High resolution anisotropic phase velocity tomography of Northeastern China and its implication, Chinese J. Geophys., 60(5), 1659-1675, doi: 10.6038/cjg20170505.