| 基于高频GNSS的2014年2月12日于田Ms7．3地震的同震位移研究 |
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| 引用本文： | 李桂荣,;赵斌,;李瑞,;李杰,;程瑞忠,;王晓强,;刘代芹,;陈丽,;帕尔哈提·再努拉,;艾力夏提·玉山,;陈述江.基于高频GNSS的2014年2月12日于田Ms7．3地震的同震位移研究[J].内陆地震,2014(2):142-146. |
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| 作者姓名： | 李桂荣 ;赵斌 ;李瑞 ;李杰 ;程瑞忠 ;王晓强 ;刘代芹 ;陈丽 ;帕尔哈提·再努拉 ;艾力夏提·玉山 ;陈述江 |
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| 作者单位： | [1]新疆维吾尔自治区地震局,新疆乌鲁木齐830011; [2]湖北省地震局,湖北武汉430071 |
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| 基金项目： | 课题项目：新疆维吾尔自治区自然科学基金（2012211B56）资助. |
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| 摘 要： | 于田Ms7．3地震后，第一时间收集到震中350km范围内4个基准站1Hz高频数据，并用TRACK模块进行解算，研究结果发现，①距离震中54km处的于田基准站同震变化最明显，尤其是东西分量，变化幅度达52．5±11mm，超过解算精度3倍中误差；②于田基准站东西分量出现变化量值最大的时间在震后1min内；③北南分量变化不大。
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| 关 键 词： | 高频GNSS 于田Ms7 3地震 同震位移 |
RESEARCH ON CO-SEISMIC DISPLACEMENT OF YUTIAN EARTHQUAKE WITH Ms7.3 BASED ON THE HIGH FREQUENCY DATA OF GNSS |
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| Institution: | LI Gui-rong, ZHAO Bin , LI Rui , LI Jie , CHENG Rui-zhong , WANG Xiao-qiang LIU Dai-qin ,CHEN Li, Paerhati · Zainula , Ailixiati · Yushan , CHEN Shu-jiang ( 1. Earthquake Administration of Xinjiang Uygur Autonomous Region, Urumqi 830011 ,Xinjiang; 2. Earthquake Administration of Hubei Province, Wuhan 430071, Hubei ) |
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| Abstract: | After the Yutian earthquake with Ms7.3, the author collected 1 Hz high frequency data of 4 reference stations within 350 kilometers around the epicenter in the first time, and calculated the GNSS data with TRACK module. The results showed that （ 1 ） the coseismic displacement of EW component of Yutian is significant, which is about 54 kilometers from the epicenter; the most obvious change is about 52.5± 11 mm, more than three times the meansquare error of calculating precision. （2） In Yutian reference station, the biggest variation in EW component appeared 1 minute after the earthquake. （3） It is not obvious in NS component of Yutian station. |
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| Keywords: | Highfrequency GNSS Yutian earthquake with MsT 3 Coseismic displacement |
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