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Justin Yen-Ting Ko

Assistant Professor
Marine Geology & Geophysics

  • Field

    Seismology, Signal analysis, Inverse and optimization theory, Tectonics, Earthquake physics

  • Experiences

    • 2018/08-present Assistant professor, Institute of Oceanography, National Taiwan University
    • 2015/06-2018/05 Postdoctoral Fellow, Seismological Laboratory, Division of Geological and Planetary Science, California Institute of Technology, USA
    • 2015/01-2015/06 Postdoctoral Fellow, Institute of Earth Sciences, Academia Sinica, Taiwan
    • 2014/08-2014/12 Postdoctoral Fellow, Department of Earth Science, National Central University, Taiwan
    • 2010-2014 Ph.D., Department of Geosciences, National Taiwan University, Taiwan
    • 2008-2010 M.S., Department of Geosciences, National Taiwan University, Taiwan
    • 2004-2008 B.S., Department of Earth Sciences, National Central University, Taiwan

  • Honors

    • 2020 Excellence in Teaching Award from National Taiwan University

Teaching

Observational Seismology, Computational Seismology, Special Topics in Global Seismology, Taiwan Regional Oceanography, Fundamentals of Oceanic Statistics

Publications

  • Ho, K.-C., J. Y.-T.* Ko, H.-H. Huang, & S.-J. Lee (2025) A Novel Approach to Tsunami Prediction Using Ambient Noise-Derived Green’s Functions. Geophysical Research Letters, 52(5), e2024GL113971.
  • Chang, J.-H., Z.-L. Hong, A. Mirza, L.-F. Lin, H.-H. Hsieh, J. Y.-T. Ko, S.-P. Chang, C.-Y. Chen, & T.-Y. Liu (2024) Spatial distribution and possible origin of the high velocity lower crust in the northern margin of the South China Sea. Geoscience Letters, 11(1), 51.
  • Ko, J. Y.-T.*, & K.-J. Hu (2024) Refining Heterogeneities near the Core-Mantle Boundary Beneath East Pacific Regions: Enhanced Differential Travel-Time Analysis Using USArray. Geosciences, 14(11), 309.
  • Lin, Y.-P., J. Y.-T.* Ko, B.-S. Huang, C.-H. Lin, & M.-H. Shih (2024) Unveiling attenuation structures in the northern Taiwan volcanic zone. Scientific Reports, 14(1), 4716.
  • Ko, J. Y.-T.*, B.-Y. Kuo, S.-C. Lin, & Y.-S. Hung (2023), Thermal ages of the Huatung Basin determined from seismic waveform modeling: insights into Southeast Asia’s evolution. Scientific Reports, 13(1), 15201. https://doi.org/10.1038/s41598-023-42454-x.
  • Huang, H.-H, E. S. Wu, C.-H. Lin, J. Y.-T. Ko, M.-H. Shih, and I. Koulakov, (2021) Unveiling Tatun volcanic plumbing structure induced by post-collisional extension of Taiwan mountain belt. Scientific Reports, 11(1), 5286. doi: 10.1038/s41598-021-84763-z.
  • Ko, J. Y.-T., Z. Zhan and D. Helmberger (2017), Mid-mantle slab-like structures from waveform modeling, Geophys.Res.Lett., 44. https://doi.org/10.1002/2017GL075032
  • Ko, J. Y.-T., S.-H. Hung, B.-Y. Kuo, and L. Zhao (2017), 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
  • Chu, R., J. Y.-T. Ko, S. Wei, Z. Zhan and D. Helmberber (2017), Lithospheric Radial Anisotropy beneath the Gulf of Mexico, Earth Planet. Sci. Lett., 466, 43–52, doi:10.1016/j.epsl.2017.02.040
  • Ko, J. Y.-T.and B.-Y. Kuo (2016), Low radiation efficiency of the intermediate depth earthquakes in the Japan subduction zone, Geophys.Res.Lett.,43,11,611–11,619, doi:10.1002/2016GL070993.
  • Ko, Y.-T., B.-Y. Kuo, and S.-H. Hung (2012), Robust determination of earthquake source parameters and mantle attenuation,J. Geophys. Res., 117, B04304, doi:10.1029/2011JB008759.
  • Ko, Y.-T., B.-Y. Kuo, K.-L. Wang, S.-C. Lin, and S.-H. Hung (2012), The southwestern edge of the Ryukyu subduction zone: A highQmantle wedge, Earth Planet. Sci. Lett., 335-336, doi:/10.1016/j.epsl.2012.04.041