【摘要】 本文在近几年对东北地震大形势研究的基础上,使用最新地震资料,对东北地区地震发展趋势进行了实时跟踪研究,结果认为,东北第五个地震活跃期到2008年结束。同时,对如何合理选择研究区域也作了一些讨论。更多还原

【Abstract】 On the basis of a study on the great situation of NE China earthquakes in recent years,the seismicity trend in the area have traced hourly.According to the track study,the 5th seismic active period of NE china has been considerded to be the end.Meanwhile this paper also discussed how to select the study region.更多还原