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丽江地震台中强地震前兆波特征分析

Analysis of precursor wave characters recorded at Lijiang Seismic Station

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【Author】 Yang Yuewen~(1)),Yang Xing~(2)),Ren Jia~(3)),Li Lihong~(1)),He Yuquan~(1)),Jia Hua~(2)) and Wang Aimin~(4)) 1) Lijiang Seismic Station,Yunnan Province 674100,China 2) Earthquake Administration of Yunnan Province,Kunming 650224,China 3) Zhangjiakou Central Seismic Station,Hebei Province 075000,China 4) Earthquake Adnimistration of Huludao City,Liaoning Province 125000,China

【机构】丽江地震台；云南省地震局；张家口地震中心台；葫芦岛市地震局；

【摘要】分析丽江地震台数字化水平摆倾斜仪在几次中强震前记录的前兆波,对其特征进行初步分析,并对其产生机理进行初步探讨。认为数字化水平摆倾斜仪的独特构造和观测点的位置,构成了丽江地震台能观测到中强地震前兆波的原因。提高对前兆波的认识,对未来的地震预测有着实际应用价值。更多还原

【Abstract】 In this paper,the wave characteristics of several precursor waves before mid-strong earthquakes, recorded by the digital horizontal pendulum tiltmeter in Lijiang Seismic Station, were preliminarily analyzed.The generation mechanism was also discussed.It is found that the unique structure of the instrument and the location of observation point are the reasons for the precursor waves before mid-strong earthquakes having been observed by digital horizontal pendulum tiltmeter in Lijiang.This result is useful for increasing comprehension of the precursor wave in the future of earthquake prediction.更多还原

【关键词】中强地震；水平摆观测；前兆波；丽江地震台；
【Key words】 mid-strong earthquakes； horizontal pendulum tiltmeter observation； short-term and imminent anomaly； Lijiang Seismic Station；

【基金】云南省“十项措施”前兆能力基础建设项目资助

【文献出处】地震地磁观测与研究 ,Seismological and Geomagnetic Observation and Research , 编辑部邮箱 ,2010年05期

【分类号】P315.72
【被引频次】1
【下载频次】18

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