濮阳台电磁波异常与地震活动关系的研究

Puyang seismic station's research about the relation between the electromagnetic wave anomaly and the seismic activity

介绍了台站所处的地震地质环境条件及电磁波观测仪器基本情况。对濮阳市地震台电磁波观测资料进行了分析研究。结果表明 ,电磁波异常对 10 0km范围内的M 13.0级以上地震及 30 0km左右Ms5 .0级以上地震和 10 0 0km左右的Ms6 .0级以上地震有很好的对应关系。电磁波异常是一种地震前兆短临异常 ,异常一般在震前几天到五十几天出现 ;异常幅度大 ,异常易于识别 ;地震多发生在异常结束之后或异常高值回落的过程中。濮阳台曾依据电磁波异常变化 ,成功地进行了两次地震短临预报 ,地震三要素均在预报范围之内。

This paper provide information about Puyang Seismic Station's geological environment and the basic condition of the instrument about the electromagnetic wave's observation. We've researched and analysed all the datus of the electromagnetic wave since it was observed. The result is that the electromagnetic wave anomaly has good corresponding relations to over Ml 3.0 winthin about 100km and over Ms 5.0 winthin 300km and over Ms6.0 winthin 1000km. The electromagnetic wave anomaly is a kind of earthquake short impending precursor anomaly. It usually happens before a few days or before 50 days when the earthquake happens. Its range is very strong and it can be discriminated easily. The earthquake often happens after the anomaly is over or during the back fall of the anomaly high value. Accoding to electromagnetic wave anomaly, We have calculated the earthquake short impending prediction twice sucessfully. The three essential factors of the earthquake are all in the framework of the forecast.