| Seismic Zonation of Central- Southern Hunan Province, China |
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| 作者姓名： | Li Ying |
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| 作者单位： | Li Ying，Xu Guangyin，Chen Kun and Gao MengtanInstitute of Geophysics，China Earthquake Administration，Beijing 100081，China |
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| 基金项目： | This research was sponsored under the project entitled“Research on key techniques for strong earthquake risk zonation”(2006BAC13B01) of the science，technology support program of Ministry of Science and Technology of China |
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| 摘 要： | Based on basic data used in compiling the Zonation Map of Earthquake Ground Motion Parameters in China, recent research on seismic safety assessment for engineering sites in central-southern Hunan Province, the new attenuation relationships of moderate earthquakes and the background seismicity data obtained by modern instrumental earthquake records since 1970, a new result of seismic zonation of central-southern Hunan Province is provided. The result shows that the area with PGA=0.05g has obviously increased in the new map compared with the previous one and is relatively consistent with the seismic disaster characteristics of moderate earthquakes that took place in the central-southern part of Hunan in recent years. This result will benefit the research and compilation of a new-generation seismic zonation map of earthquake ground motion parameters and the seismic hazard assessment in the moderate earthquake active regions in the central and eastern part of China.
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| 关 键 词： | 中国 湖南 地震 带状分布 |
| 收稿时间： | 2006-07-20 |
| 修稿时间： | 2006-08-24 |
Seismic Zonation of Central-Southern Hunan Province, China |
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| Li Ying.Seismic Zonation of Central- Southern Hunan Province, China[J].Earthquake Research in China,2007,21(4):379-387. |
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| Authors: | Li Ying |
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| Institution: | Institute of Geophysics, China Earthquake Administration, Beijing 100081, China |
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| Abstract: | Based on basic data used in compiling the Zonation Map of Earthquake Ground Motion Parameters in China, recent research on seismic safety assessment for engineering sites in central-southern Hunan Province, the new attenuation relationships of moderate earthquakes and the background seismicity data obtained by modern instrumental earthquake records since 1970, a new result of seismic zonation of central-southern Hunan Province is provided. The result shows that the area with PGA=0.05g has obviously increased in the new map compared with the previous one and is relatively consistent with the seismic disaster characteristics of moderate earthquakes that took place in the central-southern part of Hunan in recent years. This result will benefit the research and compilation of a new-generation seismic zonation map of earthquake ground motion parameters and the seismic hazard assessment in the moderate earthquake active regions in the central and eastern part of China. |
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| Keywords: | Background earthquake Moderate earthquake Attenuation relationship Seismic zonation |
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