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基于欧洲遥感卫星（ERS）合成孔径雷达差分干涉测量技术（D-InSAR）获取1998年1月10日张北-尚义地震形变图,通过弹性半空间位移模型模拟形变场,由最佳参数解得到张北-尚义地震的震源参数.模拟结果表明,张北-尚义地震的发震构造为走向95°,倾向西南,倾角30°的具右族性质逆断层,断层面长12 km,宽14 km,震源（断层面中心）深度7.5km,震中位置为北纬40°58＇,东经114°21＇.断层滑动角105.95°,滑动方向为北西I3.26°,位移量为0.728m,地震矩M0为2.69×1018N·m.根据震源参数和区域构造背景分析,断裂活动可能与张家口-蓬莱断裂北西端的活动有关.
The deformation map of Zhangbei-Shangyi earthquake on January 10, 1998 was obtained based on the European Remote Sensing Satellite (ERS) synthetic aperture radar differential interferometry technique (D-InSAR). The deformation field was simulated by elastic half-space displacement model. The seismic source parameters of Zhangbei-Shangyi earthquake are obtained.The simulation results show that the seismogenic structure of Zhangbei-Shangyi earthquake is a right-sided nature reverse fault with 95 ° strike, southwest inclination and dip angle of 30 °, the fault plane is 12 km long, Width 14 km, focal depth (center of fault) 7.5km, location of epicenter is latitude 40 ° 58 ’north, longitude 114 ° 21’ east. The fault slip angle is 105.95 °, sliding direction is northwest I3.26 °, displacement is 0.728m, The seismic moment M0 is 2.69 × 1018N · m. According to the analysis of source parameters and regional tectonic setting, the fault activity may be related to the activity of the north west end of Zhangjiakou-Penglai fault.