The seismicity levels on the active tectonic block boundaries are discussed considering the large earthquake frequency and the released strain energy in unit distance and time.
从各边界带上强震活动的频次和单位时间、单位长度的地震应变能释放出发，讨论了各活动地块边界带的强震总体活动水平；
In addition, when the epicenters of strong earthquakes migrated along the active tectonic zone or the edge of a block, a 5-month separation for the the migration was also observed.
另外，在强震震中沿活动构造带或沿块体边缘迁移时，迁移时间也有相隔5个月的现象。
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