【摘要】 研究了 190 0年以来我国东北北部地区浅源中强震活动的特征。结果表明 ,地震活动具有突发性、成组性和序列地震数量少的特点。应根据本区地震活动特点 ,开展震后早期趋势预测 ,以最大限度地减轻地震灾害。更多还原

【Abstract】 Seismicity in the north region of Northeast China since 1900 has been researched and discussed in this paper. The results show that the seismicity is instant, clustered and scarce in this region. It is important to predict postseismic early trend according to the seismicity characters in the region to reduce earthquake disaster to the utmost.更多还原