日本Ms9.0地震前的重力高频扰动

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Abstract We have chosen fourteen gPhone spring gravimeters of China Gravity Network to form two observation sections, and analyzed the observation records(in March 1 to10) before the Ms9.0 earthquake near Japan east coast. The results indicate that a kind of belllike of abnormal gravity disturbance occurring at all littoral observation stations and the magnitude of abnormal gravity disturbance attenuate with the distance from epicenter.

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	Articles by authors
	Liu Ziwei
	Wei Jin
	Hao Hongtao
	Wu Yunlong
	and Li Hui

Key words： near Japan east coast Ms9.0 earthquake earthquake gravity network gPhone gravimeter foreseismic gravity high frequency disturbance

Received: 01 January 1900

PACS:

P315.72+6

Corresponding Authors: Liu Ziwei

Cite this article:

Liu Ziwei,Wei Jin ,Hao Hongtao et al. PRE-SEISMIC GRAVITY DISTURBANCE OF HIGH FREQUENCY BEFORE Ms9.0 EARTHQUAKE IN JAPAN[J]. , 2011, 31(2): 4-8.

Liu Ziwei,Wei Jin ,Hao Hongtao et al. PRE-SEISMIC GRAVITY DISTURBANCE OF HIGH FREQUENCY BEFORE Ms9.0 EARTHQUAKE IN JAPAN[J]. jgg, 2011, 31(2): 4-8.

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http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2011/V31/I2/4

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