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Dr. Ray Y. Chuang

Associate Professor
raychuang@ntu.edu.tw

Education

  • Ph.D., Geophysics with mathematics minor, Indiana University

  • M.S., Geology, Central Washington University

  • B.S., Geography, National Taiwan University

​

Employment

  • Visiting Researcher, Earthquake Research Institute, University of Tokyo, Japan

  • Postdoctoral Fellow, Department of Geomatics, National Cheng Kung University, Taiwan

  • Postdoctoral Fellow, Department of Geosciences, National Taiwan University, Taiwan


Research Interests

topographic evolution, surface processes, crustal deformation, applications of geodesy and geoinformatics, natural hazards, and land monitoring

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Publications

  • Chuang, R.Y., Wu, B.S., Liu, H.C., Huang, H.H., and Lu, C.H. (2021) Development of a statistics-based nowcasting model for earthquake-triggered landslides in Taiwan. Engineering Geology, 289, 106177, https://doi.org/10.1016/j.enggeo.2021.106177.

  • Lu, C.H., Lin, Y.S., and Chuang, R.Y.* (2021) pixel offset fusion of SAR and optical images for 3-D coseismic surface deformation. IEEE Geoscience and Remote Sensing Letters, 18, 1049-1053, https://doi.org/10.1109/LGRS.2020.2991758.

  • Ho, T.C., Satake, K., Watada, S. Hiseh, M.C., Chuang, R.Y., Aoki, Y.,, Mulia, I.E., Gusman, A.R., and Lu, C.H. (2021) Tsunami induced by the strike-slip fault of the 2018 Palu Earthquake (Mw = 7.5), Sulawesi Island, Indonesia. Earth and Space Science, 8(6), e2020EA001400, https://doi.org/10.1029/2020EA001400.

  • Chuang, R.Y.*, Lu, C.H., Yang, C.J., Lin, Y.S., and Lee, T.Y. (2020) Coseismic uplift of the 1999 Mw 7.6 Chi-Chi earthquake and implication to topographic change in frontal mountain belts. Geophysical Research Letters, 47(15), e2020GL88947, https://doi.org/10.1029/2020GL088947.

  • Chen, K.H., Chuang, R.Y.*, and Ching, K.E. (2020) Realization approach of non-linear postseismic deformation model for Taiwan semi-kinematic reference frame. Earth, Planet and Space, https://doi.org/10.1186/s40623-020-01209-y.

  • Hsu, Y.F., Huang, H.H., Huang, M.H., Tsai, V.C., Chuang, R.Y., Feng, K.F., and Lin, S.H. (2020) Evidence for fluid migration during the 2016 Meinong, Taiwan, aftershock sequence. Journal of Geophysical Research, https://doi.org/10.1029/2020JB019994.

  • Chen, H.C., Chen, K.H., Jung, Y.L., Huang, H.W., Chuang, R.Y., and Yang, M. (2020) Resurveying of the TWD97[2010] at the posh of 2019.0 and the maintenance of a national reference frame. Taiwan Journal of Geoinformatics, 8(2), 39-59.

  • Lin, Y.S., Chuang, R.Y.*, Yen, J.Y., Chen, Y.C., Kuo, Y.T., Wu, B.L., Huang, S.Y, and Yang, C.J. (2019) Mapping surface breakages of the 2018 Hualien earthquake by using UAS photogrammetry. Terrestrial, Atmospheric, and Oceanic Sciences, https://doi.org/10.3319/TAO.2018.12.09.02.

  • Huang, S.Y., Yen, J.Y., Wu, B.L., Yen, I.C., and Chuang, R.Y. (2019) The coseismic surface rupture zone of the 2018 Hualien earthquake, Taiwan: Revisit the trace of Milun fault, Terrestrial. Atmospheric, and Oceanic Sciences, https://doi.org/10.3319/TAO.2018.12.09.03.

  • Kuo, Y.T., Wang, Y., Hollinsworth, J., Huang, S.Y., Chuang, R.Y., Lu, C.H., Hsu, Y.C., Tung, H., Yen, J.Y., and Chang, C.P. (2019) Shallow fault rupture of the Milun Fault in the 2018 Mw 6.4 Hualien earthquake: A high resolution approach from optical correlation of Pleiades satellite imagery. Seismological Research Letters, https://doi.org/10.1785/0220180227.

  • Yen, J.Y., Lu, C.H., Dorsey, R.J., Kuo-Chen, H., Chang, C.P., Wang, C.C., Chuang, R.Y., Kuo, Y.T., Chiu, C.Y., Chang, Y.H., Bovenga, F., and Chang, W.Y. (2019) Insights into seismogenic deformation during the 2018 Hualien, Taiwan, earthquake sequence from InSAR, GPS, and modeling. Seismological Research Letters, https://doi.org/10.1785/0220180228.

  • Shih, J.Y., Ching, K.E., Chang, W.L., Chuang, R.Y., and Chen, C.L. (2019) Fault slip deficit rates in central Taiwan determined based on GNSS and precise leveling data. Bulletin of the Central Geological Survey, 32, 45-63.

  • Lu, C.H., Ni, C.F., Chang, C.P., Yen, J.Y., and Chuang, R.Y. (2018) Coherence difference analysis of Sentinel-1 SAR interferogram to identify earthquake-induced disasters in urban areas. Remote Sensing, 10(8), 1318, https://doi.org/10.3390/rs10081318.

  • Carlson, G., Johnson, K., Chuang, R.Y., and Rupp, J. (2018) Spatially varying stress state in the central U.S. from Bayesian inversion of focal mechanism and in situ maximum horizontal stress orientation data. Journal of Geophysical Research, 123(5), 3871-3890, https://doi.org/10.1002/2017JB015158.

  • Chao, C.M., Chuang, R.Y., Ching, K.E., Li, Y.R., and Chen, C.L. (2018) Estimates of fault-slip rates in central Taiwan based on block modeling. Central Geological Survey Special Publication, 33, 179-195.

  • Chen, J.S., Ching, K.E., Rau, R.J., Hu, J.C., Cheng, K.C., Chang, W.L., Chuang, R.Y., Chen, C.L., and Chen, H.C. (2018) Surface deformation in Taiwan during 2002-2017 determined from GNSS and precise leveling measurements. Central Geological Survey Special Publication, 33, 157-178.

  • Kuo, Y.T., Ku, C.S., Chen, Y.G., Wang, Y., Lin, Y.N.N., Chuang, R.Y., Hsu, Y.J., Taylor, F.W., Huang, B.S., and Tung, H. (2016) Characteristics on fault coupling along the Solomon megathrust based on GPS observations from 2011 to 2014. Geophysical Research Letters, https://doi.org/10.1002/2016GL070188.

  • Chuang, R.Y., Johnson, K.M., Kuo, Y.T., Wu, Y.M., Chang, C.H., and Kuo, L.C. (2014) Active back thrust in the eastern Taiwan suture revealed by the 2013 Rueisuei earthquake: evidence for a doubly-vergent orogenic wedge? Geophysical Research Letters, 41, 3464‒3470, https://doi.org/10.1002/2014GL060097. 

  • Chuang, R.Y., Johnson, K.M., Wu, Y.M., Ching, K.E., and Kuo, L.C. (2013) A midcrustal ramp-fault structure beneath the Taiwan tectonic wedge illuminated by the 2013 Nantou earthquake series. Geophysical Research Letters, 40, 1‒5, https://doi.org/10.1002/grl.51005. 

  • Yang, Y.R., Johnson, K.M., and Chuang, R.Y. (2013) Inversion for absolute deviatoric crustal stress using focal mechanisms and coseismic stress changes: The 2011 M9 Tohoku-oki, Japan, earthquake Journal of Geophysical Research, 118, 5516‒5529, https://doi.org/10.1002/jgrb.50389. 

  • Chuang, R.Y., Miller, M.M., Chen, Y.G., Chen, H.Y., Shyu, J.B.H., Yu, S.B., Rubin, C.M., Sieh, K., and Chung, L.H. (2012) Interseismic deformation and earthquake hazard along the southernmost Longitudinal Valley fault, eastern Taiwan. Bulletin of Seismological Society of American, 102, 1569‒1582, https://doi.org/10.1785/0120110262. 

  • Chuang, R.Y. and Johnson, K.M. (2011) Reconciling geologic and geodetic model fault slip-rate discrepancies in southern California: Consideration of nonsteady mantle flow and lower crustal fault creep. Geology, 39, 627‒630, https://doi.org/10.1130/G32120.1. 

  • Ching, K.E., Johnson, K.M., Rau, R.J., Chuang, R.Y., Kuo, L.C., and Leu, P.L. (2011) Inferred fault geometry and slip distribution of the 2010 Jiashian, Taiwan, earthquake is consistent with a thick-skinned deformation model. Earth and Planetary Science Letters, 31, 78‒86, https://doi.org/10.1016/j.epsl.2010.10.021.

  • Shyu, J.B.H., Sieh, K., Chen, Y.G., Chuang, R.Y., Wang, Y., and Chung, L.H. (2008) Geomorphology of the southernmost Longitudinal Valley fault: Implications for evolution of the active suture of eastern Taiwan. Tectonics, 27, TC1019, https://doi.org/10.1029/2006TC002060.

Dr. Ray Y. Chuang: Lab Members
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