李希亮. 濮阳ML4.6级地震泰安地震台潮汐形变短临异常的识别[J]. 华北地震科学, 2009, 27(1): 17-19,16.
引用本文: 李希亮. 濮阳ML4.6级地震泰安地震台潮汐形变短临异常的识别[J]. 华北地震科学, 2009, 27(1): 17-19,16.
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LI Xi-liang. IDENTIFICATION OF SHORT-IMPENDING TIDAL DEFORMATION ANOMALY AT TAIAN SEISMIC STATION BEFORE PUYANG ML4.6 EARTHQUAKE[J]. North China Earthquake Sciences, 2009, 27(1): 17-19,16.
Citation: LI Xi-liang. IDENTIFICATION OF SHORT-IMPENDING TIDAL DEFORMATION ANOMALY AT TAIAN SEISMIC STATION BEFORE PUYANG ML4.6 EARTHQUAKE[J]. North China Earthquake Sciences, 2009, 27(1): 17-19,16.
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濮阳ML4.6级地震泰安地震台潮汐形变短临异常的识别

IDENTIFICATION OF SHORT-IMPENDING TIDAL DEFORMATION ANOMALY AT TAIAN SEISMIC STATION BEFORE PUYANG ML4.6 EARTHQUAKE

    摘要
  • 摘要: 将倾斜固体潮Nakai拟合检验、倾斜潮汐变化分析引入潮汐形变资料处理中,对2006年4月9日山东莘县与河南濮阳交界的濮阳ML4.6级地震前泰安台的潮汐形变观测资料进行处理与分析,发现在地震前十天左右,泰安地震台出现潮汐形变地震短临异常,异常信号就是我们想要得到的地震前兆信息。

     

    Abstract: In this paper,the "Nakai" fitting test of tilt tide and the analysis of tidal tilt are used to process tidal deformation data.The tidal deformation observation data of Taian seismic station which is before the ML4.6 earthquake in the junction of Puyang and Xinxian on April 9,2006 are processed and analyzed.The result shows that in about 10 days before the earthquake,some short-impending anomalies are recorded at the Taian seismic station,which may be earthquake precursor information.

     

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