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本文论述了作者在研究孕震过程中的气象效应问题时发现:6级以上大地震的震中区,震前一至三年半时间内往往是旱区.旱区面积随震级大小而增减.在旱后第三年发震时,震级要比旱后第一年内发震增大半级.据此提出运用旱震关系进行大地震中期预报的方法原则。
This paper discusses the author in the study of meteorological effects during the process of seismogenic found that: epicenter area more than 6 earthquake epicenter, one to three and a half years before the earthquake is often arid area.Drought area increases and decreases with the size of the magnitude in In the third year after drought, the earthquake magnitude increased by half compared with the first year after drought, and the principle of using the relationship between the diagenesis and the earthquake for medium-term earthquake prediction was proposed.