| 1998年泾阳4.8级地震的一些特征 |
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| 引用本文： | 吴富春,段锋,柯昌安,张春生,董星宏.1998年泾阳4.8级地震的一些特征[J].西北地震学报,2000,22(1):54-58. |
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| 作者姓名： | 吴富春 段锋 柯昌安 张春生 董星宏 |
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| 作者单位： | 陕西省地震局,陕西,西安,710068 |
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| 摘 要： | 分析了 1 998年泾阳MS4.8地震的一些特征 .该次地震序列类型属孤立型 ,与陕西关中地区历史强震多以主 余震型为主的特征不同 .震源机制解显示 ,该次地震的断层错动以左旋走滑为主 ,主压应力方向为NE～SW ,与大华北区域应力场的方向吻合
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| 关 键 词： | 陕西 孤立型序列 震源机制解 泾阳地震 地震 |
| 收稿时间： | 1999/3/23 0:00:00 |
SOME CHARACTERISTICS OF THE JINGYANG MS4.8 EARTHQUAKE IN 1998 |
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| WU Fu-chun,DUAN Feng,KE Chang-an,ZHANG Chun-sheng and DONG Xing-hong.SOME CHARACTERISTICS OF THE JINGYANG MS4.8 EARTHQUAKE IN 1998[J].Northwestern Seismological Journal,2000,22(1):54-58. |
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| Authors: | WU Fu-chun DUAN Feng KE Chang-an ZHANG Chun-sheng and DONG Xing-hong |
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| Institution: | Seismological Bureau of Shaanxi Province, Xi''an 710068, China,Seismological Bureau of Shaanxi Province, Xi''an 710068, China,Seismological Bureau of Shaanxi Province, Xi''an 710068, China,Seismological Bureau of Shaanxi Province, Xi''an 710068, China and Seismological Bureau of Shaanxi Province, Xi''an 710068, China |
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| Abstract: | Some characteristics of the Jingyang MS4.8 earthquake in 1998 are analysed.The results show that the earthquake is during weaker seismicity in Guanzhong,Shaanxi.Sequence of the earthquake is isolated type and differs from sequences of greater part of historic strong earthquakes in Guanzhong area which are mainshock-aftershock type.The sequence type of the earthquake is very scarce in Chinese continent.The focal mechanism solution of the earthquake shows that the seismogenic fault is left-lateral slip one,the principal stress orientation is NE~SW and identical with the direction of regional stress field of northern China. |
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| Keywords: | Shaanxi Isolated type sequence Focal mechanism solution Jingyang earthquake |
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