| 晋冀蒙交界地区最小一维速度模型联合反演 |
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| 引用本文： | 高源,张晖,张帆,翟浩.晋冀蒙交界地区最小一维速度模型联合反演[J].山西地震,2019(2):19-21. |
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| 作者姓名： | 高源 张晖 张帆 翟浩 |
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| 作者单位： | 内蒙古自治区地震局 |
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| 基金项目： | 内蒙古自治区地震局局长基金(2018ZD01);中国地震局“监测、预报、科研”三结合课题(CEA-JC/3JH-170609X)共同资助 |
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| 摘 要： | 文章使用内蒙古地震台网记录到的晋冀蒙交界地区517个定位地震,在参考原始编目报告的基础上,用和达法拟合走时曲线删除错误数据,使用Kissling方法联合反演得到晋冀蒙交界地区最小一维P波速度模型和震源位置。结果显示,研究区P波速度随着深度增加而递增,无明显间断面,联合反演得到的震中位置较原始报告分布更集中,簇状分布更明显。
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| 关 键 词： | 晋冀蒙交界 速度模型 联合反演 震源位置 |
Joint Inversion of Minimum 1D Velocity Model in the Junction Area of Shanxi,Hebei and Inner Mongolia |
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| GAO Yuan,ZHANG Hui,ZHANG Fan,ZHAI Hao.Joint Inversion of Minimum 1D Velocity Model in the Junction Area of Shanxi,Hebei and Inner Mongolia[J].Earthquake Research in Shanxi,2019(2):19-21. |
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| Authors: | GAO Yuan ZHANG Hui ZHANG Fan ZHAI Hao |
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| Institution: | (Seismological Bureau of Inner Mongolia Autonomous Region,Hohhot,Inner Mongolia 100010,China) |
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| Abstract: | A total of 517 located earthquakes recorded by the Inner Mongolia Seismic Network that occurred in the junction area of Shanxi,Hebei and Inner Mongolia were used in this research.On the basis of the original catalogue reports,the travel-time curve was fitted by the Wadati method,and based on which the erroneous data were deleted.The minimum 1D P-wave velocity model and hypocentral locations of these earthquakes in the junction area of Shanxi,Hebei and Inner Mongolia were then obtained by the joint inversion of Kissling method.The results show that the P-wave velocity in the study area increases gradually with the increase of depth,and there is no obvious discontinuity.The epicenter location obtained by the joint inversion is more centralized,and the cluster distribution is more obvious than that in the original reports. |
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| Keywords: | The junction area of Shanxi Hebei and Inner Mongolia Velocity model Joint inversion Hypocentral location |
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