【摘要】 地震前兆数据观测中,经常会遇到数据突然发生变化,遇到这种情况,就要及时进行分析,研究其是否与地震孕育有关,为防震减灾工作提供依据。宿迁地震台的短水准观测数据,在2005年6月底发生了大的突变,对于这次变化,本文从测量测线的布设、地质构造、干扰情况、数据演变等方面进行分析,最后得到这次变化并不是由地震孕育引起的这一结论。更多还原

【Abstract】 In the observation of earthquake auspice,the data often change suddenly,in this situation,we must analyse the data immediately,so that we can know whether the change is exceptional or not,then we can provide some reference for disaster prevention.The data of the short levelling observation at Suqian Seismic Station greatly changed in late June,2005.In this article,we analysed it from such aspects as measure line design、geology conformation、disturbance and data change,and finally drew the conclusion that the change wasn’t caused by earthquake.更多还原