李惠玲, 高云峰, 贾炯, 张登科, 高存英. 晋1-1井水位异常与晋冀蒙交界区中强地震关系简析[J]. 华北地震科学, 2012, 30(1): 33-39.
引用本文: 李惠玲, 高云峰, 贾炯, 张登科, 高存英. 晋1-1井水位异常与晋冀蒙交界区中强地震关系简析[J]. 华北地震科学, 2012, 30(1): 33-39.
LI Hui-ling, GAO Yun-feng, JIA Jiong, ZHANG Deng-ke, GAO Cun-ying. RELATIONSHIP BETWEEN WATER LEVEL ANOMALIES IN JIN 1-1 WELL AND MODERATE EARTHQUAKE IN SHANXI-HEBEI-INNER MONGOLIA BORDER REGION[J]. North China Earthquake Sciences, 2012, 30(1): 33-39.
Citation: LI Hui-ling, GAO Yun-feng, JIA Jiong, ZHANG Deng-ke, GAO Cun-ying. RELATIONSHIP BETWEEN WATER LEVEL ANOMALIES IN JIN 1-1 WELL AND MODERATE EARTHQUAKE IN SHANXI-HEBEI-INNER MONGOLIA BORDER REGION[J]. North China Earthquake Sciences, 2012, 30(1): 33-39.

晋1-1井水位异常与晋冀蒙交界区中强地震关系简析

RELATIONSHIP BETWEEN WATER LEVEL ANOMALIES IN JIN 1-1 WELL AND MODERATE EARTHQUAKE IN SHANXI-HEBEI-INNER MONGOLIA BORDER REGION

  • 摘要: 通过对晋1-1井22年水位观测资料进行系统清理,对距井区约330km范围一些中强震前的水位资料进行了细致分析。结果表明:晋1-1井地震异常以短临突变异常为主,异常时间多小于80d。根据大量的震例统计结果给出了地震前兆异常定量判别指标,当曲线阶升异常幅度大于30mm或阶降大于40mm时视为震兆异常。

     

    Abstract: In this paper, 22 year water level data of Jin 1-1 well are processed and the relationship between water level anomalies and moderate earthquakes within 300 km of the well is studied.The result shows that the anomalies are mostly abrupt short-impending anomalies less than 80 days.Step-rising anomaly with amplitude of over 30 mm and step-dropping anomaly with amplitude of over 40 mm can be seen as seismic precursor.

     

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