华北平原历史强震构造特征剖析
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摘要
本文从地表地震断层、全新世断裂活动及区域构造讨论了华北平原近300年6次强震的构造特征.研究结果表明,这6次强震均有相应的地表地震断层出现,并与它们各自极震区等震线长轴方向一致.北西向地表地震断层为左旋走滑,北东向地表地震断层为右旋走滑.这些地区存在全新世活动断裂及古地震现象表明这些强震不是当地的首次强震破裂,华北平原强震存在原地重复现象.区域地震构造分析结果表明,强震地点与华北平原内第三纪断陷盆地的关系并不明显,而全新世活动断裂与华北平原周边构造的交叉部位则是近代强震活跃地区,也是值得注意的未来强震危险地点.
引文
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[2] Zhao Xianchao,Fissures and its characteristics of Heze earthquake M7． 0 in 1937,Crustal Deformation and Earthquake,Vol.11,No.1,93～96,1991(in Chinese).
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[6] Jiang Wali et al.,Study on Characteristics of NWW surface seismofaults and activity of Holocene fault in North China Plain,in press(in Chinese).
[7] Xu Kunfu et al.,Intensity and disaster of earthquke,Hu Changhe et al.ed.,1937 Heze earthquke,17～27,Seismology Press,1991(in Chinese).
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[13] Wang Chunyong et al.,Study of fine structure in Xingtai earthquake area and new knowledge of the seismotectonics,Advances in solid earth geophysics in China,31～40,Ocean Press,1994(in Chinese).
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[16] Xiang Hongfa et al.,Study on the buried fault and its application to engineering project.45～70,Seismology Press,1994(in Chiese).
[17] Chen Yuntai et al.,A dislocation model of the Tangshan earthquake of 1976 from the inversion of Geodetic Data,Acta Geophysica Sinica,Vol.22,No.3,201～217,1979(in Chinese).
[18] Han Dianzhong et al.,An ancient earthquake discovered in Haicheng earthquake region,Northeastern Seismological Research,Vol.7,No.7,44～48,1991(in Chinese).
[19] Zhang Erkuang,Neotectonic movement during the historical changes of the ancient city of Handan,Papers of prehistoric earthquakes and Quaternary geology,155～170,Shanxi Science-tecnology Press,1982(in Chinese).
[20] Jiang Wali et al.,Discussion on the cause of the ground fissures in Handan City,Hebei Province,North China Earthquake Research,Vol.3,No.4,58～76,1985(in Chinese).
[2] Zhao Xianchao,Fissures and its characteristics of Heze earthquake M7． 0 in 1937,Crustal Deformation and Earthquake,Vol.11,No.1,93～96,1991(in Chinese).
[3] Jiang Wali et al.,The discovery of the freshest surface fracture zone in the west mountain of Cixian County of Hebei Province related to the 1830 Cixian earthquake of M7． 5,Earthquake Research in China,Vol.10,No.4,357～362,1994(in Chinese).
[4] Jiang Wali,Preliminary study of active structure of the 1830 Cixian strong earthquake area in Hebei province,North China Earthquake Research,Vol.12,No.1,21～27,1994(in Chinese)
[5] Jiang Wali et al.,Study on Characteristics of the NWW trend active fault in west Cixian of Hebei Province and relationship with destroyed earthquakes,Seismology and Geology,in press,1996(in Chinese).
[6] Jiang Wali et al.,Study on Characteristics of NWW surface seismofaults and activity of Holocene fault in North China Plain,in press(in Chinese).
[7] Xu Kunfu et al.,Intensity and disaster of earthquke,Hu Changhe et al.ed.,1937 Heze earthquke,17～27,Seismology Press,1991(in Chinese).
[8] Yang Lihua et al.,Intensity and disaster,Mei Shirong et al.ed.,1976 Tangshan earthquake,1～32,Seismology Press,1982(in Chinese).
[9] Wang Tingmei,Problems of the earthuqake faults in North China,Research on China Seismofaults,80～87,Xinjiang People Press,1988(in Chinese).
[10] Wang Jingming et al.,Damage and counter measure of earthquake in North China,122～126,seismology Press,1993(in Chinese).
[11] Geodetic Survey Brigade for Earthquake Research,State Seismological Bureau,Crustal deformation associated with the Xingtai earthquake in March,1966,Acta Geophysica Sinica,Vol.18,No.3,153～163,1975(in Chinese)
[12] Chen Yuntai et al.,The focal mechanism of the 1966 Xingtai earthquake as inferred from the ground deformation observation,Acta Geophysica Sinica,Vol.18,No.3,165～182,1975(in Chinese)
[13] Wang Chunyong et al.,Study of fine structure in Xingtai earthquake area and new knowledge of the seismotectonics,Advances in solid earth geophysics in China,31～40,Ocean Press,1994(in Chinese).
[14] Meng Xianliang et al.,The 1679 Sanhe-Pinggu earthquake of M8． 0,China great earthquakes,98～113,Seismology Press,1988(in Chinese).
[15] Xiang Hongfa et al.,Seismotectonics background and recurrence interval of great earthquakes in 1679 Sanhe-Pinggu M8． 0 earthquake area,Seismology and Geology,Vol.10,No.1,15～27,1988(in Chinese).
[16] Xiang Hongfa et al.,Study on the buried fault and its application to engineering project.45～70,Seismology Press,1994(in Chiese).
[17] Chen Yuntai et al.,A dislocation model of the Tangshan earthquake of 1976 from the inversion of Geodetic Data,Acta Geophysica Sinica,Vol.22,No.3,201～217,1979(in Chinese).
[18] Han Dianzhong et al.,An ancient earthquake discovered in Haicheng earthquake region,Northeastern Seismological Research,Vol.7,No.7,44～48,1991(in Chinese).
[19] Zhang Erkuang,Neotectonic movement during the historical changes of the ancient city of Handan,Papers of prehistoric earthquakes and Quaternary geology,155～170,Shanxi Science-tecnology Press,1982(in Chinese).
[20] Jiang Wali et al.,Discussion on the cause of the ground fissures in Handan City,Hebei Province,North China Earthquake Research,Vol.3,No.4,58～76,1985(in Chinese).
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