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震区
    THE DATA FROM GEOPHYSICAL EXPLORATION OF THE EARTHQUAKE REGION IN CHANGMA,GANSHU PROVINCE(1932,M7.5)
    1932年甘肃昌马7.5级地震区的物探资料
    Study on Crust Structure of Haiyuan Strong Earthquake Region
    海原8.5级大震区地壳结构探测研究
    The application of Wavelet Transform to the process of water level observational data for weak earthquake region
    小波变换在少震、弱震区地下水位数据分析中的应用
    DIFFERENCES OF CRUSTAL STRUCTURES IN NORTHEASTERN EDGE OF TIBET PLATEAU, ORDOS AND TANGSHAN EARTHQUAKE REGION IN NORTH CHINA-RESULTS OF DEEP SEISMIC SOUNDING
    青藏高原东北缘、鄂尔多斯和华北唐山震区的地壳结构差异——深地震测深的结果
    STRONG GROUND MOTION AT MEIZOSEISMAL AREA & SAFETY OF IMPORTANT ENGINEERING PROJECTS AT POTENTIAL EARTHQUAKE REGION
    极震区的地震动与潜在震源区内重大工程安全
    It takes earthquakes with Ms≥5.5 in Minor North China and those with Ms≥4.5 in Tangshan earthquake region for example analyses.
    对小华北地区M_S>≥5.5地震,唐山老震区M_S≥4.5地震进行了震例分析。
    The results show that the stress drop of the aftershocks of the Beibuwan earthquake and their QpValues are respectively about 3.65×105pa and 285.The possibility for occurring larger earthquake is not too large in and near the Beibuwan earthquake region.
    研究表明,北部湾地震的余震应力降和介质QP值分别为3.65×105Pa和285,在震区附近发生更大地震的可能性不大;
    Based on the statistics,in the east of China,the period of 20~300 years after a M S≥7.0 event is a “calm time interval” of M S≥6.0 earthquakes, which is the best time to develop economic construction in the earthquake region.
    从统计结果看,在中国东部,MS≥7.0 地震发生后的20至300年是MS≥6.0后续地震的“平静”时段,震区可利用这一时期大力开展经济建设;
    Result of tomography reveals the structural features of Zhangbei earthquake region.
    地震层析成像结果揭示了张北地震区的构造特征。
    According to the investigation on the earthquake region, the areas with intensity Ⅷ, Ⅶ and Ⅵ region are 180 km 2, 1 472 km 2 and 3 998 km 2, respectively. The isoseismals are generally in elliptic shape with long axis trending near NS direction.
    极震区烈度可达 度 , 度区、 度区和 度区面积分别为 1 80 km2 ,1 472 km2 和3 998km2 ,等震线分布总体形态呈椭圆形 ,长轴近南北向 .
    Kezhi'er reservoir is a large hydro project built on the active fault and strong earthquake region with10years construc-tion. The reservoir has been operating for10years,the maximum water level is up to1148.3m near to the maximum profitable water level of1149.6m.
    克孜尔水库是在活断层、强震区建造的一座大型水利枢纽工程,历时10a建成,水库运行已10a,库水位最高达1148.3m,已接近最高兴利水位1149.6m。
    The seismicity of the studying area (29°~35°N, 114°~120°E), which is located in the transition area of earthquake region in North China and South China, is not high, and the attenuation of intensity has its own characters in focal mechanism, radiate medium and site.
    研究区(北纬29°~35°,东经114°~120°)位于华北地震区和华南地震区之间的过渡地区,地震活动性总体水平不高,烈度衰减关系有其自身的震源特性、传播介质和场地衰减特性等。
    The Ms 50 earthquake at the old earthquake region of Xingtai,Hebei on April 22,2002 was predicted better used the geomagnetic method,the actual epicenter differs from the convergence point by 15 km.
    利用地磁交汇法较好地预报了2002年4月22日发生在河北邢台老震区的Ms5.0地震,实际震中与交汇点相距只有15km。
    At present,the principal compressive strain rate in Xingtai earthquake region is very small,with a magnitude of-0.352×10~(-9)/yr,and the principal tensile strain rate is relatively large,with a magnitude of 3.306×10~(-9)/yr,which shows that the tensile strain in this area is predominated,and the crust is in a tensional state;
    当前,邢台地震区主压应变率很小为-0.352×10-9/yr,主张应变率较大为3.306×10-9/yr,张应变占绝对优势,地壳处于拉张状态;
    in Bohai earthquake region,the principal compressive strain rate is-2.593×10~(-9)/yr,which is a little bit smaller than the tensile strain rate(2.947×10~(-9)/yr);
    在渤海地震区,主压应变率为2.593×10-9/yr,比主张应变率(2.947×10-9/yr)略小一些,二者比较接近;
    in Haicheng earthquake region,the principal compressive strain rate(1.276×10~(-9)/yr) is smaller than the tensile strain rate(2.940×10~(-9)/yr),where is dominated by tensile strain;
    在海城地震区,主压应变率为1.276×10-9/yr,小于主张应变率(2.940×10-9/yr),地壳以张应变为主;
    MORPHOTECTONIC FEATURES OF THE TONGHAI EARTHQUAKE REGION, YUNNAN PROVINCE
    云南通海震区的构造地貌特征
    STRUCTURAL PROPERTY OF THE CRUST AND THE UPPER MANTLE IN THE TANGSHAN EARTHQUAKE REGION——A METHOD OF COMPUTING BODY WAVE THEORETICAL SEISMOGRAM AND THE RESULT OF ANALYSIS OF 2-D INHOMOGENEOUS MEDIA
    唐山地震区地壳上地幔结构特征——二维非均匀介质中理论地震图计算和结果分析
    CONTINUOUS DESERVATION OF DRILL HOLE TEMPERATURE IN HAICHENG EARTHQUAKE REGION AND DISCUSSION ON THERMAL ANOMALISM OF PRECURSORYUNSS
    海城地震区钻孔温度连续观测和前兆性热异常的讨论
    AN ANCIENT EARTHQUAKE DISCOVERED IN HAICHENG EARTHQUAKE REGION
    海城震区发现的古地震事件
 

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