| 基于双差定位方法的内蒙古中西部地区地震精确定位 |
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| 引用本文： | 郭伟,刘甜甜,范玲玲,李贵明,赵策,陈浩.基于双差定位方法的内蒙古中西部地区地震精确定位[J].地震地磁观测与研究,2021,42(1):26-34. |
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| 作者姓名： | 郭伟 刘甜甜 范玲玲 李贵明 赵策 陈浩 |
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| 作者单位： | 1. 中国内蒙古自治区 015331 乌加河地震台;2. 中国北京 100036 中国地震局地震预测研究所;3. 中国北京 100029 中国地震局地质研究所 |
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| 基金项目： | 内蒙古自治区地震局局长基金课题（项目编号：2019JC15） |
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| 摘 要： | 针对测震台网定位存在偏差的问题,采用双差定位方法,对2008—2019年9月内蒙古测震台网及周边台站记录的内蒙古中西部地区4410个地震事件进行重新定位。研究表明,利用双差定位方法重新定位后地震分布更集中,更符合内蒙古中西部地区的地质构造特征,定位精度显著提高。
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| 关 键 词： | 双差定位方法 内蒙古中西部地区 地震精确定位 |
The accurate seismic location based on the double-difference method in the middle and western region of Inner Mongolia |
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| GUO Wei,LIU Tiantian,FAN Lingling,LI Guiming,ZHAO Ce,CHEN Hao.The accurate seismic location based on the double-difference method in the middle and western region of Inner Mongolia[J].Seismological and Geomagnetic Observation and Research,2021,42(1):26-34. |
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| Authors: | GUO Wei LIU Tiantian FAN Lingling LI Guiming ZHAO Ce CHEN Hao |
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| Institution: | 1. Wujiahe Seismic Station, Earthquake Agency of Inner Mongolia Autonomous Region, Wujiahe 015331, China;2. Institute of Earthquake Forecasting, China Earthquake Administration, Beijing 100036, China;3. Institute of Geology, China Earthquake Administration, Beijing 100029, China |
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| Abstract: | In view of the earthquake location deviation of the current seismic network, this paper uses the double-difference earthquake location method to relocate 4 410 earthquakes recorded by the Inner Mongolia seismic network and its surrounding stations from January 2008 to September 2019. The study shows that the earthquake distribution relocated by the double-difference method is more concentrated, more consistent with the geological structure characteristics of the western region of Inner Mongolia, significantly improving the location accuracy, and providing a more accurate research basis for improving the monitoring capability of Inner Mongolia seismic network. |
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| Keywords: | double-difference earthquake location method the central and western region of Inner Mongolia accurate seismic location |
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