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分析了新乡市 1996年 8月重大地下水气异常特征及异常形成的原因。结果表明 :地下水气异常的分布与活动断裂构造具有明显的不一致性。井孔排出的气体近似于空气 ,是来源于大气的土壤空气 ,未显示出来自于地壳深部的特点 ,因此不是地震前兆异常。
This paper analyzes the anomalous characteristics of the major groundwater in August 1996 in Xinxiang City and the reasons for the anomaly formation. The results show that there is obvious inconsistency between the distribution of groundwater anomalies and the active faults. The gas discharged from the borehole is similar to air and is the soil air from the atmosphere. It does not show the characteristics from the deep crust, so it is not an anomaly of earthquake precursors.