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云南地震的潮汐应力触发机制及相关天体位置图像
Alternative TitleTidal stress triggering mechanism of earthquakes in Yunnan and related patterns of celestial body positions
吴小平1; 黄雍2; 冒蔚3; 胡家富1; 蒋骏4; 康国发1; 胡毅力1
Source Publication地球物理学报(CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION)
2005-05
Volume48Issue:3Pages:574-583
Contribution Rank第3完成单位
Indexed BySCI ; EI ; CSCD
Keyword地震(Earthquake) 潮汐应力触发(Tidal Stress Triggering) 天体位置图像(Celestial Body Position Patterns) 云南(Yunnan)
Abstract通过计算云南163个地震震源处沿地震主应力方向的潮汐应力分量,分析了地震的潮汐应力触发力学机制.结果表明,所研究的地震中有62%受到了潮汐应力的触发作用.在此基础上,对受到潮汐应力触发的地震发震时的天体位置特征进行了研究,得到了具有潮汐应力触发物理基础的地震时的月日黄经差、月日赤纬和月日天顶距的分布图像.图像显示,云南地区的地震在新月期间和上下弦附近较易受到潮汐应力的触发;受到潮汐应力触发作用的地震发震时刻的月日赤纬有明显的密集分布条带特征,地震频次在月、日天顶距分别为30°~140°和20°~140°范围内为平均优势分布区间.
Other AbstractBy calculating additional tidal stress components along seismic principle stress at focuses of 163 earthquakes in Yunnan, the mechanism of tidal stress triggering earthquakes is analyzed. The result indicates that 62 % of studied earthquakes are triggered by tidal stress. Based on this, the characteristics of related celestial body positions at the occurrence time of the triggered earthquakes are studied. The distribution patterns, which have tidal-triggering physical basis, of lunar-solar ecliptic longitude differences and declinations and zenith distances are obtained. The patterns show that earthquakes in Yunnan are apt to be triggered by tidal stress during new moon and the first or third quarter of moon. The lunar-solar declinations at the occurrence time of the triggered earthquakes have banded dense distribution. The average superior domains of triggered-earthquake frequency distribution against lunar-solar zenith distances are 30 degrees similar to 140 degrees and 20 degrees similar to 140 degrees, respectively.
Funding Organization国家自然科学基金,教育部重点实验室基金
Language中文
Subject AreaGeochemistry & Geophysics
Subtype期刊论文
ISSN0001-5733
WOS IDWOS:000229401600015
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS KeywordSOLAR PERIODICITIES ; SOUTHERN-CALIFORNIA ; NORTH CHINA ; LUNAR ; MOONQUAKES
CSCD IDCSCD:1990752
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Cited Times:18[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6702
Collection天体测量及应用研究组
Affiliation1.云南大学地球物理系,昆明 650091
2.云南省地震局,昆明 650041
3.中国科学院云南天文台,昆明 650011
4.华中科技大学物理系,武汉 430074
Recommended Citation
GB/T 7714
吴小平,黄雍,冒蔚,等. 云南地震的潮汐应力触发机制及相关天体位置图像[J]. 地球物理学报(CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION),2005,48(3):574-583.
APA 吴小平.,黄雍.,冒蔚.,胡家富.,蒋骏.,...&胡毅力.(2005).云南地震的潮汐应力触发机制及相关天体位置图像.地球物理学报(CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION),48(3),574-583.
MLA 吴小平,et al."云南地震的潮汐应力触发机制及相关天体位置图像".地球物理学报(CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION) 48.3(2005):574-583.
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