| 2009年内蒙古西部地区地震活动特征及平均波速比异常 |
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| 引用本文： | 韩晓明,刘文广,石睿.2009年内蒙古西部地区地震活动特征及平均波速比异常[J].高原地震,2010,22(1):1-5. |
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| 作者姓名： | 韩晓明 刘文广 石睿 |
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| 作者单位： | 1. 内蒙古自治区地震局,内蒙古,呼和浩特,010010
2. 内蒙古师范大学,内蒙古,呼和浩特,010010 |
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| 摘 要： | 内蒙古西部地区地质构造发育、历史中强地震频发。2009年以来,该区域地震活动明显增强,特别是ML3.0级以上地震持续活跃,使该地区的震情空前紧张。本文基于该区域的地震地质背景,分析了2009年以来地震活动的时空分布特征,并结合区域平均波速的下降异常对内蒙古西部地区未来时段内的震情发展做出了初步预判。
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| 关 键 词： | 内蒙古西部 地震活动 波速比 |
SEISMIC ACTIVITY CHARACTERISTICS AND VELOCITY RATIO(VP/VS)ABNORMITY OF WESTERN AREA IN LNNER MONGOLIA IN 2009 |
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| HAN Xiaoming,LIU Wenguang,SHI Rui.SEISMIC ACTIVITY CHARACTERISTICS AND VELOCITY RATIO(VP/VS)ABNORMITY OF WESTERN AREA IN LNNER MONGOLIA IN 2009[J].Plateau Earthquake Research,2010,22(1):1-5. |
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| Authors: | HAN Xiaoming LIU Wenguang SHI Rui |
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| Institution: | 1.Earthquake Administration of Inner Mongolia Autonomous Region,Hohhot 010010,China;2.Inner Mongolia Normal University,Hohhot 010010,China) |
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| Abstract: | Geologic structures are very developed in western area in Inner Mongolia and historical moderately strong earthquakes occurred frequently.Since 2009,the seismic activity of this area is obviously strengthened,especially the earthquakes with ML≥3.0.Based on the seismic geology background of western area in Inner Mongolia,the space-time distributed characteristics of seismic activity and decrease abnormity of velocity ratio（VP/VS） is analyzed,and the earthquake tendency in the western area in Inner Mongolia is determined in the paper. |
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| Keywords: | Western area in Inner Mongolia Seismie activity Velocity ratio（VP/VS） |
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