| 1989年大同—阳高地震前山东地倾斜台网的短临异常特征 |
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| 引用本文： | 陈岩.1989年大同—阳高地震前山东地倾斜台网的短临异常特征[J].山西地震,1993(3):12-15. |
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| 作者姓名： | 陈岩 |
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| 作者单位： | 山东省地震预报研究中心 |
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| 摘 要： | 叙述了利用固体潮包络法和差分、日均值等方法识别大同—阳高6.1级地震前山东倾斜台网的前兆异常.认为泰安、马陵山自记水管仪和烟台石英摆倾斜仪3台仪器在时间、量级(10~(-7)弧度)和方向上具有一致性并分析了引起该情况的原因.
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| 关 键 词： | 地震前兆 地震 短临异常 |
Short-Impending Anomalies of Shandong Tiltal Observation network before 1989 Datong-Yanggao Earthquake |
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| Chen Yan.Short-Impending Anomalies of Shandong Tiltal Observation network before 1989 Datong-Yanggao Earthquake[J].Earthquake Research in Shanxi,1993(3):12-15. |
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| Authors: | Chen Yan |
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| Institution: | Center for Analysis and Prediction of Shandong Province |
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| Abstract: | Short-impending anomalies of Shandong tiltal observation network before Datong-Yanggao Ms 6.1
earthquake have been identified using the tidal envelope method, the differential method and the diurnal mean
value method. The paper suggests that the anomalies of the water- tubetilt-meters at Taian and Malingshan
stations and the quartz pendulum tiltmeter at Yantai station show uniformness on time, magnitude
(radian10-7) and direction. The cause of the uniformness has been analyzed. |
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| Keywords: | Datong-Yanggao earthquake tidal steep variation short-impending anomaly |
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