以上结果说明中国东北深震是西太平洋板块俯冲到中国东北大陆之下造成的。
All these indicate that these deep earthquakes are initiated by the Western Pacific Plate which is thrusting under the continent of northeast China.
从地震活动时间序列的自然节律和地震天文周期等方面，对2005年以前东北地区浅震和深震的趋势，作了分析和预测。
The activity trend of shallow and deep earthquakes in Northeastern China before 2005 has been estimated in this paper according to seismic natural cyclicity and astronomical period incident etc.
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