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本文研究了1900年以来东北地区的浅源中强震和深震的相关关系,还讨论了板块俯冲对东北地区的影晌。结果表明,东北地区浅源地震与探源地震存在着相关活动的特点。其成因机制系西太平洋板块小角度俯冲,空间分布;(1)浅震弱化带和深震多发区;(2)火山优势分布带;(3)郯庐浅源中强震优势分布带;(4)松辽地台周边区。
This paper studies the correlation between deep earthquakes and deep earthquakes in northeastern China since 1900, and also discusses the influence of plate subduction on northeastern China. The results show that there are related activities in the shallow-source earthquakes and the source earthquakes in the Northeast China. The origin mechanism is the small-angle subduction and spatial distribution of the western Pacific plate; (1) the shallow earthquake zone and the deep earthquake-prone area; (2) the volcanic distribution belt; (3) the dominant distribution belt of the Tanlu medium- 4) Songliao platform surrounding area.