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东北地区浅源中强震及深震与西太平洋板块俯冲

SHALLOW MODERATE AND DEEP EARTHQUAKE IN NORTHEAST CHINA AND WESTERN PACIFIC PLATE SUBDUCTION

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【作者】 孟宪森朱景春孙文斌许学礼李登恒

【Author】 Meng Xiansen;Zhu Jingchun;Sun Wenbin;Xu Xueli;Li Dengheng (The Seismological Bureau of Heilongjiang Province, Harbin, 15001)

【机构】 黑龙江省地震局!哈尔滨 150001

【摘要】 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。

【Abstract】 The correlation between shallow moderate earthquake and deep one in Northeast China since 1900, and the influence of plate subduction on the area have been researched and discussed in this paper. The results show that there exists correlative activity in Northeast China area relating to shallow and deep earthquake. They are due to western pacific plate subduction in small angle. Spacial distribution of earthquake is as follows: 1. weak shallow shock belt and deep focus earthquake region, 2. volcanism belt, 3. Tancheng-Lujiang shallow moderate shock belt, 4. the boundary of Shongliao Platform.

【基金】 地震科学联合基金会资助
  • 【文献出处】 东北地震研究 ,Seismological Research of Northeast China , 编辑部邮箱 ,1996年02期
  • 【分类号】P315
  • 【被引频次】19
  • 【下载频次】142
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