银川市周围破坏性地震活动特征及其震感效应
Characteristics of Destructive Seismic Activity around Yinchuan City and Its Seismic Effect

DOI: 10.12677/AG.2019.99083, PP. 772-778

Keywords: 银川市，破坏性地震，地震特征，震感效应
Yinchuan City, Destructive Earthquake, Characteristics of Earthquakes, Felt Earthquake Effect

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Abstract:

银川盆地的破坏性地震活动具有频度高、强度大和灾害重的特点。破坏性地震主要集中在两个区域，第一个区域为有史以来以强震为主的宁夏永宁县至银川市，其中1739年银川8级地震造成巨大人员伤亡和财产损失。另一个区域为建国以来以中等地震为主的宁夏吴忠灵武地区。另外银川盆地以沉积地层为主，对地震波有吸收或放大效应可能是震感强烈的主要原因。
The destructive seismic activities in Yinchuan basin are characterized by high frequency, high in-tensity and heavy disaster. Destructive earthquakes are mainly concentrated in two areas. The first area is the Ningxia Yongning County to Yinchuan city, which is dominated by strong earth-quakes in history. In 1739, the Yinchuan earthquake of magnitude 8 caused huge casualties and property losses. The other area is Wuzhong Lingwu area in Ningxia, which is mainly composed of moderate earthquakes since the founding of the People’s Republic of China. In addition, Yinchuan basin is dominated by sedimentary strata, and the absorption or amplification effect of seismic waves may be the main reason for the strong seismic sensation.

References

[1]	罗国富, 贺永忠, 师海阔. 银川盆地有感地震活动特征及其震感强烈原因分析[J]. 防灾减灾学报, 2013, 29(4): 19-24.
[2]	刘雷, 蒋锋云, 朱良玉. 银川盆地水平运动和地震活动特征分析[J]. 大地测量与地球动力学, 2018, 38(1): 36-42.
[3]	雷启云, 柴炽章, 杜鹏, 等. 1739年平罗8级地震发震构造[J]. 地震地质, 2015, 37(2): 413-429.
[4]	柴炽章. 银川市地震活动断层探测及其在城市规划中的应用[J]. 城市与灾害, 2018(1): 18-23.
[5]	雷启云, 张培震, 郑文俊, 等. 青藏高原东北缘三关口–牛首山断裂的右旋走滑与弧形构造带扩展[J]. 中国科学–地球学报, 2016, 46(5): 691-705.
[6]	刘建辉, 张培震, 郑德文, 等. 贺兰山晚新生代隆升的剥露特征及其隆升模式[J]. 中国科学–地球学报, 2010, 40(1): 50-60.
[7]	包国栋, 陈虹, 胡健民, 等. 银川盆地东缘黄河断裂第四纪活动与分段行研究[J]. 地球学报, 2019, 40(4): 614-628.
[8]	国家地震局监测预报司. 中国地震历史强震目录[M]. 北京: 地震出版社, 2005.
[9]	中国地震简目汇编组. 中国地震简目汇编, 中国地震目录(B.C.780-A.D.1986 M≥4.7) [M]. 北京: 地震出版社, 1988.
[10]	宁夏回族自治区地震局. 宁夏回族自治区地震历史资料汇编目录[M]. 北京: 地震出版社, 1988.

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