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扬州～铜陵地震带位于大华北强震活动区和华南地震相对平静区的交接部位,中强震比较活跃。由于中强震震源应力场作用范围有限,时间不长,每个中强震的前兆有其相对的独立性——很少受大华北强震与本区其他中强震的影响。这就为检验前兆的准确性提供了较好的环境。1979年7月9日溧阳六级地震后经历了一年多时间的检验,我们将其较可靠的前兆
The Yangzhou ~ Tongling seismic belt is located at the junction of the Greater Quaternary seismic activity area and the relatively calm area of the South China earthquake, and the moderate strong earthquake is relatively active. Due to the limited scope and short duration of the stress field of the moderate-strong earthquakes, the precursors of each moderate-strong earthquake have their relative independence - they are seldom affected by the North China strong earthquakes and other moderate-strong earthquakes in this area. This provides a good environment for testing the accuracy of precursors. After the Liyang M6 earthquake on July 9, 1979, which has undergone more than a year’s test, we have made it a more reliable precursor