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台湾海峡地震定点形变的异常分析
引用本文:黄晓华,林立峰,杨婕,徐智明,熊先保,张远城.台湾海峡地震定点形变的异常分析[J].华南地震,2009,29(1):96-101.
作者姓名:黄晓华  林立峰  杨婕  徐智明  熊先保  张远城
作者单位:厦门地震台,福建厦门,361003
基金项目:福建省地震局科研项目 
摘    要:结合定点形变前兆异常的常用判定标准,用多种数学方法处理了厦门台与漳州台1991~1995年水平摆地倾斜资料,发现在9,16海峡地震之前,两个台站的资料都表现出不同程度的年变规律畸变、γ因子异常、一阶差分法异常、滤波法异常等多种地形变前兆指标异常。

关 键 词:定点形变测量  地形变异常  水平摆  9.16海峡地震

Analysis on Anomaly of Fixed Deformation Data in Taiwan Strait Earthquake
HUANG Xiaohua,LING Lifeng,YANG Jie,XU Zhiming,XIONG Xianbao,ZHANG Yuancheng.Analysis on Anomaly of Fixed Deformation Data in Taiwan Strait Earthquake[J].South China Journal of Seismology,2009,29(1):96-101.
Authors:HUANG Xiaohua  LING Lifeng  YANG Jie  XU Zhiming  XIONG Xianbao  ZHANG Yuancheng
Institution:Xiamen Seismostation;Xiamen 361003;China
Abstract:On the basis of the common criteria of deformation anomaly, a variety of mathematical methods were used to analyze the data of horizontal pendulum tiltmeters at Xiamen and Zhangzhou seismostations in 1991-1995. The results indicate that a variety of abnormal terrain precursor indicators of variable degrees existed in the two seismostation data before the 9.16 strait earthquake, namely: (1) the change of distortion; (2) γ factor anomaly; (3) the first-order finite difference method anomaly; (4) filtering method anomaly.
Keywords:9  16 strait earthquake  Deformation anomaly  Horizontal pendulum tiltmeter  
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