| 精河6.6级地震前精河水管仪、伸缩仪异常特征分析 |
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| 引用本文： | 张智慧,李娜,邢喜民.精河6.6级地震前精河水管仪、伸缩仪异常特征分析[J].震灾防御技术,2018,13(3):671-678. |
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| 作者姓名： | 张智慧 李娜 邢喜民 |
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| 作者单位： | 1.河南省工业科技学校, 河南新乡 453000 |
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| 基金项目： | 中国地震局地震科技星火计划（XH19049），中国地震局2018年度地震监测、预测、科研三结合课题项目（CEA-JC/3JH-173103） |
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| 摘 要： | 2017年8月9日精河发生6.6级地震。本文首先利用相关、回归分析研究了气温对水管仪、伸缩仪的影响，并进行了干扰的定量剔除；其次，通过回归残差分析研究地震前水管仪、伸缩仪的异常特征，认为精河6.6级地震前存在3项异常:①2016年5月22日起，水管仪NS分量S倾幅度0.53"；②2017年3月24日起，EW分量E倾幅度0.28"；③2016年9月10日起，伸缩仪NS分量出现压缩现象。
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| 关 键 词： | 相关系数 气温 回归分析 水管仪 伸缩仪 |
| 收稿时间： | 2017/12/20 0:00:00 |
Analysis of Anomalous Characteristics of Jinghe Water Tube Tilt and Extensometer Temperature before the Jinghe MS 6.6 Earthquake |
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| Zhang Zhihui,Li Na and Xing Ximin.Analysis of Anomalous Characteristics of Jinghe Water Tube Tilt and Extensometer Temperature before the Jinghe MS 6.6 Earthquake[J].Technology for Earthquake Disaster Prevention,2018,13(3):671-678. |
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| Authors: | Zhang Zhihui Li Na and Xing Ximin |
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| Institution: | 1.Henan Industrial Technology Institute, Xinxiang 453000, Henan, China2.Earthquake Agency of Xinjiang Uygur Autonomous Region, Urumqi 830011, China |
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| Abstract: | The MS 6.6 earthquake occurred on August 9, 2017 in Jinghe. In order to investigate the anomaly characteristics from water tube tiltmeter and extensometer in Jinghe station, we analyzed the effects of air temperature on water tube tiltmeter and extensometer in Jinghe by using the correlation and regression analysis then rejected the interference of air temperature quantitatively. The analysis of regression residuals shows that there existed three abnormalities before the earthquake: ① S tilt amplitude 0.53" in NS component from water tube tiltmeter since May 22, 2016; ② EW component tilt amplitude 0.28" from March 24, 2017; ③From September 10, 2016, the NS component of the telescopic instrument appears to be compressed. |
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| Keywords: | Correlation coefficient Air temperature Regression analysis Water tube tiltmeter Extensometer |
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