RECOGNITION OF DISTURBANCE AND SEISMIC ANOMALY FROMTILT TIDE DEFORMATION AT CHONGQING SEISMOSTATION
Chen Min 1) ;Guo Xin 1) ; and Zheng Xudong 2)
1)Chongqing Municipality Seismostation, Chongqing 4000562)Qianjiang Seismostation of Chongqing Municipality,Chongqing 409000
Abstract The observations of the horizonal penbulum tiltmeter at Chongqing station since over 10 years before are arranged systematically.The feature,mechanism and magnitude of disturbance of temperature,rainfall,dewatering and loading variation are analyzed and summerized.The acting law of disturbance,the recoginition and elimination methods are determined.The anormalies recorded by the horizontal pendulum tiltmeter at Chongqing station on the 4th day before the M5.4 earthquake(1989-11-20) occured in Tongjing about 67 km away from the station are recoginited as the earthquake precursor.
Key words ：
tilt tide deformation
recognition of disturbance and earthquake precorsor
form and magnitude of abnormaly
timespace feature
earthquake prediction
Received: 01 January 1900
Corresponding Authors:
Chen Min
Cite this article:
Chen Min ,Guo Xin ,and Zheng Xudong . RECOGNITION OF DISTURBANCE AND SEISMIC ANOMALY FROMTILT TIDE DEFORMATION AT CHONGQING SEISMOSTATION[J]. , 2007, 27(专刊): 79-83.
Chen Min ,Guo Xin ,and Zheng Xudong . RECOGNITION OF DISTURBANCE AND SEISMIC ANOMALY FROMTILT TIDE DEFORMATION AT CHONGQING SEISMOSTATION[J]. jgg, 2007, 27(专刊): 79-83.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2007/V27/I专刊/79
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