文安5.1级地震前的一些前兆异常
SOME PRECURSORY ANOMALIES BEFORE WENAN MS5.1 EARTHQUAKE
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摘要: 2006年7月4日文安5.1级地震前,保定流动测量队很多前兆监测手段都有前兆异常显示。该文对这些异常进行总结,同时分析其形态特征。Abstract: Several anomalies of different observation item are observed before the Wen'an Ms5.1 earthquake occurred on July 4,2006.These anomalies are summarized and analyzed in this paper.