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北京平谷地震台地电阻率前兆异常特征
Characteristics on precursor anomaly of earth resistivity at Pinggu seismic station in Beijing
【摘要】 在 1 98 9年大同 6.1级、1 990年大海坨山 5.0级及 1 998年张北 6.2级等地震前 ,平谷地震台的地电阻率都出现了不同程度的异常。文中对每个地震地电阻率异常做了分析 ,并根据台站的地质构造情况作进一步探讨
【Abstract】 Before Datong earthquake with magnitude 6.1 in 1989, Dahaituo Mountain earthquake with magnitude 5.0 in 1990 and Zhangbei earthquake with magnitude 6.2 in 1998, earth resistivity anomaly appeared at Pinggu Seismic Station to different degrees. This paper introduced the change of earth resistivity anomaly for every earthquake and conducted further analysis based on the geological tectonics around the seismic station.
【关键词】 地电阻率;
前兆异常;
首都圈;
平谷地震台;
【Key words】 Earth resistivity; Precursor anomaly; Capital circle region; Pinggu seismic station;
【Key words】 Earth resistivity; Precursor anomaly; Capital circle region; Pinggu seismic station;
- 【文献出处】 地震 ,Earthquake , 编辑部邮箱 ,2001年02期
- 【分类号】P315.72
- 【被引频次】2
- 【下载频次】32