Volume XLII-2/W7
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-2/W7, 665-670, 2017
https://doi.org/10.5194/isprs-archives-XLII-2-W7-665-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-2/W7, 665-670, 2017
https://doi.org/10.5194/isprs-archives-XLII-2-W7-665-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.

  13 Sep 2017

13 Sep 2017

MEASURING THE COSEISMIC DISPLACEMENTS OF 2010 Ms7.1 Yushu EARTHQUAKE BY USING SAR AND HIGH RESOLUTION OPTICAL SATELLITE IMAGES

L. Zhang1, J. Wu1, and F. Shi2 L. Zhang et al.
  • 1Dept. of Surveying and Geomatic, Tongji University, Shanghai, China
  • 2Institute of Geology, China Earthquake Administration, Beijing, China

Keywords: Co-seismic displacements, D-InSAR, MAI, Optical image matching, PALSAR, SPOT

Abstract. After the 2010, Mw7.1, Yushu earthquake, many researchers have conducted detail investigations of the surface rupture zone by optical image interpretation, field surveying and inversion of seismic waves. However, how larger of the crustal deformation area caused by the earthquake and the quantitative co-seismic displacements are still not available. In this paper, we first take advantage of D-InSAR, MAI, and optical image matching methods to determine the whole co-seismic displacement fields. Two PALSAR images and two SPOT5 images before and after the earthquake are processed and the co-seismic displacements at the surface rupture zone and far field are obtained. The results are consistent with the field investigations, which illustrates the rationality of the application of optical image matching technology in the earthquake.