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印度板块一直向欧亚板块俯冲,造成了汶川地震。利用Bernese GPS Software Version 5.0对重庆市5个CORS(ContinuouslyOperating Reference Stations)以及北京、昆明、拉萨、上海、武汉5个IGS基准站从2008年5月9日至15日以天为单位和5月12日当天每隔两小时进行数据处理,对5个参考站的坐标偏差进行时间序列分析,结果表明这些参考站和震前比较,向西移动约2 cm,向北移动约1 cm,隆起近1 cm,但高程逐渐向震前恢复。
The Indian plate has been subducting to the Eurasian plate, resulting in the Wenchuan earthquake. Based on the Bernese GPS Software Version 5.0, five CORS (Continuously Oscillating Reference Stations) in Chongqing and five IGS base stations in Beijing, Kunming, Lhasa, Shanghai and Wuhan from May 9 to May 15, 2008, in days and May 12 The data processing was performed every two hours on the same day and the time series analysis of the coordinate deviations of the five reference stations showed that the reference stations moved about 2 cm westward and about 1 cm northward and nearly 1 cm, but the elevation gradually recovered before the earthquake.