Thiswork was supported by the National Key Basic Research Program (Grant No. G1998040703) ; the Knowledge Innovation Key Project of the CAS (Grant No. KZCX2-309); The ERS-1/2 SAR data were provided by ESA for the ERS project (ERS A03-374).
On 10 January, 1998 an earthquake of Ms=6.2 occurred in the Zhangbei-Shangyi region of North China. The surface seismic deformation was measured in the previous study using the 3 pass ERS-1/2 SAR differential inter-fe...