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在我国地震活动的低潮期,国内对正常动态的讨论有明显加强,但大多数作者从单一观测项目研究强震区“平静期”的实测值正常动态,并假定平静期内的观测资料中不包含孕震信息,研究的内容集中于正常动态的类型和年变的原因。 本文试图根据小震区的观测资料,分析地震活动和其它前兆观测曲线的正常动态特征,讨论它与强震区震前异常的某些差异,期望对本区将来可能出现的强震震前异常有所识别,并为其它强震区的前兆异常识别提供参考资料。
At the low tide of seismicity in our country, the discussion of normal dynamic in our country has been obviously strengthened. However, most authors study the normal dynamic of the measured period of “quiet period” in the strong earthquake zone from a single observation project and assume that the observation data in the quiet period are not Contains pregnant earthquake information, focusing on the types of normal dynamics and the causes of the change. This paper attempts to analyze the normal dynamic characteristics of seismic activity and other precursory observation curves based on the observation data of small earthquakes and discuss some differences between it and the pre-earthquake anomalies in the strong earthquakes. It is expected that the possible anomalies before the strong earthquakes in the future may be It also provides references for the identification of precursory anomalies in other strong earthquakes.