| 东北深源和浅源地震同步活动的地球动力机制 |
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| 引用本文： | 赵文峰.东北深源和浅源地震同步活动的地球动力机制[J].西北地震学报,1989,11(1):41-47. |
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| 作者姓名： | 赵文峰 |
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| 作者单位： | 辽宁省地震局 |
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| 摘 要： | 本文研究了东北大陆地区深源及浅源地震同步活动特征及构造特征,认为造成深浅源地震同步活动的地球动力是西北太平洋岩石圈板块的作用。西北太平洋岩石圈板块消亡于珲春地区上地幔内590km深处,导致了深源地震活动,同时又直接影响着内陆郯庐断裂带、松辽盆地边缘断裂带及其附近的浅源地震活动。
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| 关 键 词： | 深源地震 浅源地震 地震活动 |
| 收稿时间： | 1987/12/21 0:00:00 |
MECHANISM OF EARTH DYNAMICS OF SYNCHRONOUS ACTIVITY FOR DEEP FOCUS AND SHALLOW FOCUS EARTHQUAKES IN NORTHEAST CHINA |
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| Zhao Wenfeng.MECHANISM OF EARTH DYNAMICS OF SYNCHRONOUS ACTIVITY FOR DEEP FOCUS AND SHALLOW FOCUS EARTHQUAKES IN NORTHEAST CHINA[J].Northwestern Seismological Journal,1989,11(1):41-47. |
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| Authors: | Zhao Wenfeng |
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| Institution: | Seismological Bureau of Liaoning Province |
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| Abstract: | In this paper, the synchronous activity natures and the tectonic charac-teristics of the deep focus and shallow focus earthquakes in the continent of northeast China have been studied. It is considered that the action of the Northwest Pacific Plate is the dynamics of synch-ronous activity of deep focus and shallow focus earthquakes. The Northwest Pacific Lithosphere Plate underthrusts in the upper mantle of Huichun area with the depth of 590km. It results in the activities of deep earthquakes. Meanwhile, it affects the shallow earthquake activities in Tanlu Rift Zone and the fault zone in the margin of Songliao Basin and its adjacent area directly. |
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