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山西北部至晋冀蒙交界地区几次中强地震前4.0级地震活动的研究
Seismicity of M_S4.0 Earthquakes in North Shanxi and the Crossed Areas of Shanxi, Hebei and Inner Mongolia before Several Medium-Strong Shocks
【摘要】 对山西北部至晋冀蒙交界地区中强地震前的 4 .0级地震进行了研究 ,得出其特征为异常增强—异常平静—信号地震的结论 ,认为该区某些 4 .0级地震活动似可作为某些中强地震的前兆地震而进行进一步的研究。
【Abstract】 The study on seismicity of M4.0 earthquakes in North Shanxi and the crossed area of Shanxi, Hebei and Inner Mongolia before several medium-strong shocks was made. The conclusion is that the characteristic of seismicity is from anomaly intensifying to anomaly silence and last, to signal earthquake. The authors think it seems that M4.0 earthquakes in this area could be taken as foreshocks of some medium-strong earthquakes and it is worth to be studied further.
【关键词】 晋冀蒙交界区;
强余震;
地震活动性;
异常;
信号;
【Key words】 Crossed area of Shanxi, Hebei and Inner Mongolia; Strong aftershock; Seismicity; Anomaly; Signal earthquake;
【Key words】 Crossed area of Shanxi, Hebei and Inner Mongolia; Strong aftershock; Seismicity; Anomaly; Signal earthquake;
- 【文献出处】 山西地震 ,Earthquake Research In Shanxi , 编辑部邮箱 ,2002年04期
- 【分类号】P315.5
- 【被引频次】2
- 【下载频次】28