邯郸遥测地震台网可能提供的华北震情信息

根据邯郸遥测地震台网所属８个子台记录的小震月频度曲线演变的起伏特点，研究了它与华北中强震活动的时程关系后，认为本台网在整个华北的中期、短期的趋势动态跟踪监视工作中可提供较为可靠的震情信息。文中对使用资料取择的物理意义和提取信息标志的具体办法等作出了具体叙述，本台网之所以具有反映华北震情信息的功能，可能与它所处的部位是在北东和北西两组构造的交汇部位有关。这样的部位无论来自何方的地震应力场强、弱演变的

THE INFORMATION OF EARTHQUAKE SITUATION IN NORTH CHINA PROVIDED BY HANDAN TELEMETERED SEISMIC NETWORK

Based on the undulatory character of microearthquakes' monthly frequency curves recorded by 8 seismostations in Handan Telemetered Seismic Network,its relation with seismicity of moderately strong earthquakes in North China is studied.The network can provide reliable information of earthquake situation for the dynamic tracing and monitoring to mid and short term earthquakes'tendency in North China.The physical meaning of the data selected and the method to abstract information are related.That the network has the function to reflect the earthquake situation in North China may be relevant to its position,which situates in the joint of the northeast and northwest tectonic zone.This position is most sensitive to the strong and weak variation of stress field.Thus the confidence level of the network to reflect seismic information is relatively high.