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Gravity anomaly before the Leshan M5.0 earthquake？

ISSN号：1671-5942
期刊名称：《大地测量与地球动力学》
时间：0
分类：P631.1[天文地球—地质矿产勘探;天文地球—地质学] P315.7[天文地球—地震学;天文地球—固体地球物理学;天文地球—地球物理学]
作者机构：[1]Key Laboratory of Earthquake Geodesy, Institute of Seismology, China Earthquake Administration, Wuhan 430071,China, [2]Wuhan Base of Institute of Crustal Dynamics, China Earthquake Administration, Wuhan 430071, China, [3]School of Geodesy and Geomatics, Wuhan University, Wuhan 430079, China
相关基金：supported by the Director Foundation of Institute of Seismology,China Earthquake Administration(201326123);the National Natural Science Foundation of China(41204058,41474064);the Ministry of Science and Technology major instrument special sub topic(2012YQ10022506)

作者： Wei Jin[1,2,3] Liu Ziwei[1,2] Sun Shaoan[1,2] Kang Kaixuan[1,2] Shen Chongyang[1,2] Li Hui[1,2]

关键词：重力异常, 地震前, 乐山, 南北地震带, 非潮汐分析, 观测数据, 重力变化, 非线性, Gravity gradient, Continuous gravity observations, Nonlinear gravity change, Leshan M5.0 earthquake, Mobile gravity observation network, Accumulation gravity change, Different gravity change, North-South Seismic Belt

中文摘要：

The NortheSouth Seismic Belt was analyzed using gravity observation data from 2011 to2015, and the nontidal analysis results show that there was a nonlinear gravity change at both the Chengdu and Guza seismostations one month before the Leshan M5.0 earthquake.

英文摘要：

The North-South Seismic Belt was analyzed using gravity observation data from 2011 to 2015, and the nontidal analysis results show that there was a nonlinear gravity change at both the Chengdu and Guza seismostations one month before the Leshan M5.0 earthquake.

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