汶川地震前泰安台摆式倾斜仪异常现象分析

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Abstract The longterm data observed with horizontal pendulum tiltmeter and vertical pendulum tiltmeter in Taian station were analysed. A certain abnormal precursor abnormal phenomenon before Wenchuan Earthquake is discovered by the analysis of M2 wave tide factor variation and the precessional trace of the vector graph of the tiltmeter.

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	Articles by authors
	Lu Shuangling
	Wang Qiang
	Lin Xiuna
	Yu Qingmin
	Hao Junli
	Zhong Puy
	and Zhang Ming

Key words： Taian seismostation horizontal pendulum vertical pendulum tide factor vectorgraph abnormity

Received: 01 January 1900

PACS:

P315.72 +6

Corresponding Authors: Lu Shuangling

Cite this article:

Lu Shuangling ,Wang Qiang ,Lin Xiuna et al. ANALYSIS OF ANOMALIES ABOUT PENDULUM TILTMETER AT TAIAN SEISMOSTATION BEFORE WENCHUAN EARTHQUAKE[J]. , 2011, 31(Supp.): 19-23.

Lu Shuangling ,Wang Qiang ,Lin Xiuna et al. ANALYSIS OF ANOMALIES ABOUT PENDULUM TILTMETER AT TAIAN SEISMOSTATION BEFORE WENCHUAN EARTHQUAKE[J]. jgg, 2011, 31(Supp.): 19-23.

URL:

http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2011/V31/ISupp./19

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