| 赤峰--辽蒙交界地区地震活动性及平均波速比分析 |
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| 引用本文： | 韩晓明,王鑫,郝美仙.赤峰--辽蒙交界地区地震活动性及平均波速比分析[J].高原地震,2009,21(3):11-16. |
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| 作者姓名： | 韩晓明 王鑫 郝美仙 |
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| 作者单位： | 内蒙古自治区地震局,内蒙古,呼和浩特,010010 |
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| 摘 要： | 分析了赤峰地区地质构造特征、地球动力学环境、历史中强地震活动，表明该区域具备发生中强地震的构造条件；2008年以来的地震活动表明，辽蒙交界地区存在发生5级以上中强震的危险性，该地区的波速比震前异常能够为该地区的地震中期预测提供一定的判定依据。
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| 关 键 词： | 赤峰地区 辽蒙交界 地震活动性 波速比 |
ANALYSIS ON SEISMIC ACTIVITY AND VELOCITY RATIO(Vp/Vs) IN CHIFENG AND ITS ADJACENT REGIONS |
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| HAN Xiaoming,WANG Xin,HAO Meixian.ANALYSIS ON SEISMIC ACTIVITY AND VELOCITY RATIO(Vp/Vs) IN CHIFENG AND ITS ADJACENT REGIONS[J].Plateau Earthquake Research,2009,21(3):11-16. |
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| Authors: | HAN Xiaoming WANG Xin HAO Meixian |
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| Institution: | (Earthquake Administration of Inner Mongolia Autonomous Region, Hohhot 010010, China) |
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| Abstract: | The characteristics of geological structure, geodynamical condition and historical moderately strong earthquake activity in Chifeng area are analyzed, the resuhs indicate that this region has the condition to occur moderately strong earthquakes, and since 2008, the seismic activity also indicate that the common Liaoning province and Inner Mongolia has the risk of occurring earthquakes with Ms ≥ 5.0, and ratio（Vp/Vs） anomalies before earthquake can be as medium term forecast index in this area. |
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| Keywords: | Chifeng and its adjacent regions Seismic activity Velocity ratio（ Vp/Vs ） boundary of velocity |
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