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青海玉树地震的天文背景分析
Alternative TitleAnalysis of astronomical background of Yushu earthquake in Qinghai
李语强; 胡辉
Source Publication地球物理学报(CHINESE JOURNAL OF GEOPHYSICS)
2012-06
Volume55Issue:6Pages:1980-1984
DOI10.6038/j.issn.0001-5733.2012.06.019
ClassificationP183
Contribution Rank第1完成单位
Indexed BySCI ; CSCD ; 核心
Keyword地震 天体位置 太阳活动 地球自转 引潮力加速度
Abstract

系统地分析了青海玉树地震发生时的天体位置、太阳活动与地球自转等天文因素的影响.从大的长期天文背景来看,玉树地震发生于中国大震频发的月亮白赤交角由极大变到极小时期,并且是太阳活动的偶数周;从短临看,玉树地震正好发生在地球自转与太阳黑子数发生突跳的时期,且此时震中所受的天体引潮力加速度又处于其变化速率最大的极值附近.研究结果表明,这些天文因素对玉树地震的孕育与发生起到了不可忽视的作用,是值得进一步深入研究的.

Other Abstract

This paper analyses systematically the astronomical background when the Yushu earthquake occurred, such as the positions of celestial objects, solar activities and earth rotation, etc. The analysis results show that from view of long period, the Yushu earthquake occurred at the time when major earthquakes in China frequently occur during the inclination between the Moon's path and Earth's equator changing from its maximum to minimum and in the even cycle of the solar activity; from view of short time, it occurred at the time when sudden variations appeared in both the acceleration of Earth's rotation and sunspot numbers, as well as the time near the maximum of the changing rate of the celestial tide generating force acceleration at the epicenter. These all show that for either the pregnancy or the occurrence of the earthquake the influence of these astronomical factors can not be ignored and merits further in-depth research.

Funding Project国家自然科学基金[10803019] ; 云南省自然科学基金[2008CD154]
Funding Organization国家自然科学基金[10803019] ; 云南省自然科学基金[2008CD154]
Language中文
Subject Area天文学 ; 天文学其他学科 ; 地球科学 ; 固体地球物理学 ; 地震学
MOST Discipline Catalogue理学 ; 理学::天文学 ; 理学::地球物理学
PublisherSCIENCE PRESS
Publication Place16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA
ISSN0001-5733
Archive Date2012-08-24
WOS IDWOS:000306159400019
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
CSCD IDCSCD:4572444
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/7529
Collection应用天文研究组
Affiliation中国科学院国家天文台云南天文台, 昆明, 650011
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
李语强,胡辉. 青海玉树地震的天文背景分析[J]. 地球物理学报(CHINESE JOURNAL OF GEOPHYSICS),2012,55(6):1980-1984.
APA 李语强,&胡辉.(2012).青海玉树地震的天文背景分析.地球物理学报(CHINESE JOURNAL OF GEOPHYSICS),55(6),1980-1984.
MLA 李语强,et al."青海玉树地震的天文背景分析".地球物理学报(CHINESE JOURNAL OF GEOPHYSICS) 55.6(2012):1980-1984.
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