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《Seismology and Geology》 1979-02
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CHARACTERISTICS OF CRUSTAL STRUCTURES IN NORTHEAST CHINA AND THEIR RELATIONS TO THE DISTRIBUTION OF STRONG EARTHQUAKES

Chung Yichang, Lu Zaoxun and Liu Tiange(Liaoning Seismological Bureau)  
Using the various data of geophysical fields combined with the interpretations of satellite photographs (images), this paper is written with the following conclusions:[1] The deep-seated crustal structures revealed by data of geophysical fields are basically in conformity with the surface structures inferred from the satellite images. The combination of these two methods would provide a powerful approach for studying the crustal structures.[2] The geotectonic framework of Northeast China is composed of several great fault blocks and characterized by the alternative arrangement and parallel distribution of the striped fault blocks.[3] The distribution of strong earthquakes epicenters is closely associated with the large regional structures, and most of them occurred around the edge of the uplifted area in the upper mantle or along the interference portion of the differential zones of deep-seated structures and/or at the intersection of fault zones in different directions.
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