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在苏联不同的地震活动区进行的实验研究表明,地震孕育期间在广阔的无线电频率范围内出现了电磁辐射。与地震活动性相关的辐射异常有其特殊性,可以与大气和工业干扰背景区分开。目前,已记到了大量的电磁辐射异常事件,然而,在研究电磁辐射异常出现的时间、强度、辐射的频谱与地震参数——诸如与震级、震源深度、震中位置的关系以及与地球物理参数,如电离层波导状态、该地区地质构造等其他一系列因素的关系方面仅仅迈出了第一步。
Experimental studies conducted in various seismic activity areas in the Soviet Union have shown that electromagnetic radiation appears over a wide range of radio frequencies during earthquake gestation. Abnormal radiation associated with seismicity has its own particularity and can be distinguished from the background of atmospheric and industrial interference. At present, a large number of anomalies of electromagnetic radiation have been recorded. However, in studying the time of electromagnetic radiation anomalies, the intensity, the spectrum of radiation and the seismic parameters such as the relationship with magnitude, depth of source, epicenter and geophysical parameters, Such as the state of the ionospheric waveguides, the geological structure of the area and a host of other factors.