| 2003年内蒙古巴林左旗—阿鲁科尔沁旗5.9级地震测震学指标异常分析 |
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| 引用本文： | 韩晓明,刘芳,刘文广. 2003年内蒙古巴林左旗—阿鲁科尔沁旗5.9级地震测震学指标异常分析[J]. 地震研究, 2010, 33(3) |
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| 作者姓名： | 韩晓明 刘芳 刘文广 |
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| 作者单位： | 1. 内蒙古自治区地震局,呼和浩特,010010
2. 内蒙古自治区地震局,乌加河地震台,内蒙古,临河,015000 |
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| 基金项目： | 2010年度中国地震局震情跟踪合同制项目 |
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| 摘 要： | 2003年8月16日,在内蒙古巴林左旗与阿鲁科尔沁旗交界处发生MS5.9地震。以本次地震为研究对象,结合震中区地震地质背景,从地震活动性和震害分布特征两个方面进行了分析。根据b值、波速比(VP/VS)和地震空间相关长度在震前的变化,探讨了地震前震源区地下介质体的演变过程,并对此次地震的孕震过程做出了初步推断。本次地震前波速比和地震空间相关长度的变化规律对该区域未来中强地震预测有一定借鉴意义。
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| 关 键 词： | MS5.9地震 b值 波速比 地震空间相关长度 内蒙古 |
Analysis of the Abnormity of Seismometry Index before Balinzuoqi-Alukeerqinqi MS5.9 Earthquake in Inner Mongolia Autonomous Region in 2003 |
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| HAN Xiao-ming,LIU Fang,LIU Wen-guang. Analysis of the Abnormity of Seismometry Index before Balinzuoqi-Alukeerqinqi MS5.9 Earthquake in Inner Mongolia Autonomous Region in 2003[J]. Journal of Seismological Research, 2010, 33(3) |
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| Authors: | HAN Xiao-ming LIU Fang LIU Wen-guang |
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| Affiliation: | HAN Xiao-ming1,LIU Fang1,LIU Wen-guang2(1.Earthquake Administration of Inner Mongolia Autonomous Region,Huhhot 010010,Inner Mongolia,China)(2.Wujiahe Seismic Station,Earthquake Administration of Inner Mongolia Autonomous Region,Linhe 015000,China) |
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| Abstract: | On August 16,2003,an MS5.9 earthquake occurred in the bordering area of Balinzuoqi and Alukeerqinqi,Inner Mongolia Autonomous Region.We analyze the seismic activity and the distribution of earthquake disaster on the basis of the seismological settings in the earthquake area.By analyzing the variation of b-value,velocity ratio(VP/VS)and correlation length before the earthquake event,we discuss the evolvement of underground media in the hypocentral area before earthquake event and preliminarily deduce the sei... |
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| Keywords: | MS5.9 earthquake b-value velocity ratio(VP/VS) seismic spatial correlation length Inner Mongolia |
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