| 周至两次地震烈度异常的研究 |
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| 引用本文： | 王卫东,张永志,吴芳,易学发,李少睿. 周至两次地震烈度异常的研究[J]. 华南地震, 2008, 28(1): 67-71 |
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| 作者姓名： | 王卫东 张永志 吴芳 易学发 李少睿 |
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| 作者单位： | 长安大学地质工程与测绘学院,陕西,西安,710054;陕西省地震局,陕西,西安,710068 |
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| 基金项目： | 国家自然科学基金 , 国家西部交通建设重点项目 |
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| 摘 要： | 周至1988年ML4.3和1993年ML3．6级地震都在100km以外的柞水县城形成了高烈度异常区，从区域地质构造、场地条件和介质品质因子分布等方面研究了这一现象。结果表明：这两次地震造成的柞水高烈度异常与该区域地质构造、介质品质因子分布和柞水县城的局部地形条件密切相关。
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| 关 键 词： | 烈度异常 Q值 地震反应 地质构造 |
| 文章编号： | 1001-8662(2008)01-0067-05 |
| 修稿时间： | 2007-04-10 |
A Study on Intensity Anomaly Caused by Two Earthquakes in Zhouzhi |
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| WANG Weidong,ZHANG Yongzhi,WU Fang,YI Xuefa,LI Shaorui. A Study on Intensity Anomaly Caused by Two Earthquakes in Zhouzhi[J]. South China Journal of Seismology, 2008, 28(1): 67-71 |
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| Authors: | WANG Weidong ZHANG Yongzhi WU Fang YI Xuefa LI Shaorui |
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| Affiliation: | WANG Weidong, ZHANG Yongzhi, WU Fang, YI Xuefa, LI Shaorui (1. College of Geology Engineering and Geomatics, Chang＇an University, Xi＇an 710054, China; 2. Earthquake Administration of Shanxi Province, X i＇an 710068, China) |
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| Abstract: | The two earthquakes of MIA.3 and ML 3.6 occurred in Zhouzhi in 1988 and 1993 both caused high intensity anomaly in Zhashui county which is 100km away from the epicenters. In this paper, this intensity anomaly is analyzed from the aspects of regional geological structures, Q value distribution and site conditions. The results show that the intensity anomaly in Zhashui county caused by the two earthquakes is highly related with the regional geological structures , Q value distribution and local topography of Zhashui county. |
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| Keywords: | Intensity anomaly Q value Seismic response Geological structure |
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