| 利用近代小震资料快速简略评估地震危险性的方法 |
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| 引用本文： | 刘杰 陈Yong.利用近代小震资料快速简略评估地震危险性的方法[J].地震,1996,16(4):321-328. |
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| 作者姓名： | 刘杰 陈Yong |
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| 作者单位： | [1]中国北京100036国家地震局分析预报中心 [2]中国北京100036国家地震局 |
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| 基金项目： | 国家自然科学基金会资助(49574207) |
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| 摘 要： | 利用１９７０～１９９４年华北地区仪器记录到的地震目录，通过层次模型，将该地区分为不同大小的单元，在每个单元中，由小震活动情况，通过Ｇ－Ｒ关系是到较大地震的活动情况；并根据震级和烈度之间的关系，得到未来５０ａ不同地震烈度的发生概率，文中还将所得结果与历史地震活动情况以及第三代区划图进行对比研究，结果表明，由近代小震活动对地震危险性进行评估是可能的。
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| 关 键 词： | 地震 危险性 地震数据 简略评估 震级 |
QUICK AND DIRTY METHOD OF SEISMIC HAZARD ESTIMATION USING SMALL EARTHQUAKE DATA IN MODERN TIMES |
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| Liu Jie Chen Yong Wang Weijic Ni Jianhua.QUICK AND DIRTY METHOD OF SEISMIC HAZARD ESTIMATION USING SMALL EARTHQUAKE DATA IN MODERN TIMES[J].Earthquake,1996,16(4):321-328. |
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| Authors: | Liu Jie Chen Yong Wang Weijic Ni Jianhua |
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| Institution: | Liu Jie Chen Yong Wang Weijic Ni Jianhua
(Center for Analysis and Prediction. SSB. Beijing 100036. China)
(Stage Seismological Bureau. Beijing 100036. China)
(Zhangjiakou Police School. Zhuangjiakou 075000. China) |
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| Abstract: | In this paper, the North China area is divided into cells of different size according to hierarchy model using instrument-recording small earthquake data(1970- 1994). In each cell, the annual occurrence probability of larger magnitude earthquakes can be obtained from the annual probability of small magnitude earthquakes by G-R relationship. The seismic intensity probability within 50 years can be got from the relation between magnitude and intensity. We also made some comparison study with historical earthquake activity and with the new zoning map of china. The result shows that it is possible to estimate seismic hazard from modern small earthquake activity. |
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| Keywords: | Small earthquake activity Frequency-magnitude relation North China area Hierarchy model |
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