| 万全井水位阶变序列异常与地震关系初探 |
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| 引用本文： | 曹新来.万全井水位阶变序列异常与地震关系初探[J].中国地震,1993,9(4):320-326. |
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| 作者姓名： | 曹新来 |
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| 作者单位： | 河北省地震局 中国石家庄 |
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| 摘 要： | 本文研究了水位阶变异常与区域地震活动的关系。其思路是先把一系列水位阶变异常视为阶变序列异常，按阶变密集程序把序列异常分为几个子序列异常。然后分析各子序列异常的产生及其发展、演变过程与区域中强地震活动的关系，综合各子序列异常为序列异常，分析其与地震活动趋势的关系。应用上述方法，文章分析了万全井１９８１年以来记录到的一系更水位阶变异常与几次区域中强地震活动的关系。根据序列异常的阶变频次、幅度、方向变化
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| 关 键 词： | 地震 阶变 序列异常 水井 水位 |
A Study on the Relations Between Sequential Anomalies of Water Level Step Variation in Wanquan Well and Earthquakes |
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| Cao Xinlai.A Study on the Relations Between Sequential Anomalies of Water Level Step Variation in Wanquan Well and Earthquakes[J].Earthquake Research in China,1993,9(4):320-326. |
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| Authors: | Cao Xinlai |
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| Abstract: | This paper studies the relationship between water level step-variation anomalies and regional seismic activity. We have regarded a series of water level step-variation anomalies as step-variation sequential anomalies, divided the sequential into several subsequential anomalies in terms of dense degree of step variations, analyzed the relations between the production, development, evolution process of various subsequential anomaies and regional moderately strong earthquake activity, then we summed up various sequential anomalies as sequential anomalies and analyzed its relations to the seismic active tendency.By the above method,this paper has analyzed the relations between a series of water level step-variation anomalies recorded at Wanquan well since 1981. According to the step variation's frequency, amplitude and direction of the sequential anomalies, we have discussed the prediction method of the Da-tong earthquake of M6. 1 and pointed out that the precursory anomalies related to the Datong earthquake of M6.1 recorded at this well can be traced back to the end of 1987. |
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| Keywords: | Step variation Sequential anomalies |
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