| 云南地区震源破裂长度与震级的经验关系 |
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| 引用本文： | 李忠华,苏有锦,蔡明军,张俊伟,刘祖荫. 云南地区震源破裂长度与震级的经验关系[J]. 地震工程学报, 1999, 21(3): 331-333 |
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| 作者姓名： | 李忠华 苏有锦 蔡明军 张俊伟 刘祖荫 |
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| 作者单位： | 云南省地震局,云南,昆明,650041 |
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| 摘 要： | 从云南地区１９６５ 年有台网记录以来主震震级 Ｍ Ｓ≥４ ．９ 的地震序列中选取５１ 个序列，根据直接余震的平面分布统计得到震源的破裂长度，用最小二乘线性回归模型得到了３ 种震级范围的破裂长度与主震震级的经验关系式
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| 关 键 词： | 云南 破裂长度 经验公式 |
| 文章编号： | 1000-0844(1999)03-0331-03 |
| 收稿时间： | 1998-07-27 |
| 修稿时间： | 1998-07-27 |
EMPIRICAL RELATIONSHIPS BETWEEN MAGNITUDE AND SOURCE RUPTURE LENGTH IN YUNNAN |
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| LI Zhong-hu,SU You-jin,CAI Ming-jun,ZHANG Jun-wei and LIU Zu-yin. EMPIRICAL RELATIONSHIPS BETWEEN MAGNITUDE AND SOURCE RUPTURE LENGTH IN YUNNAN[J]. China Earthguake Engineering Journal, 1999, 21(3): 331-333 |
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| Authors: | LI Zhong-hu SU You-jin CAI Ming-jun ZHANG Jun-wei LIU Zu-yin |
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| Affiliation: | Seismological Bureau of Yunnan Province, Kunming 650041, China,Seismological Bureau of Yunnan Province, Kunming 650041, China,Seismological Bureau of Yunnan Province, Kunming 650041, China,Seismological Bureau of Yunnan Province, Kunming 650041, China and Seismological Bureau of Yunnan Province, Kunming 650041, China |
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| Abstract: | Earthquake sequences in which magnitude of main shock is over 4.9 since 1965 in Yunnan area are selected. According to spatial distribution of early aftershocks of 51 earthquake sequences, data of source rupture length are obtained. The empirical relationships between magnitude and source rupture length are calculated by least squares linear regression model. The results of this paper is useful to analyze seismic hazard in Yunnan where shallow focus earthquakes often take place. |
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| Keywords: | Yunnan Rupture length Empirical formula |
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