IOCAS-IR
Boundaries of the Amurian Plate identified using multiple geophysical methods
Li, Shuan hu1,3; Li, Chi2; Wang, Chun xiao4
2020-02-01
Source PublicationGEOSCIENCES JOURNAL
ISSN1226-4806
Volume24Issue:1Pages:49-59
Corresponding AuthorLi, Chi(lichi_nmggydx@sina.cn)
AbstractOne of the most topical issues regarding the recent geodynamics of Eastern Asia is identifying the boundaries of the Amurian (AM) block, it has great significance to research the relationship between the Northeast Asia and the Pacific Plate. In this study, continuous Global Positioning System (GPS) measurement data from Northeast China, Southeast Russia, the Korean Peninsula (KP) and Eastern Mongolia are used to calculate the velocity field and Euler pole. The results show that the two sides of the Tanlu fault zone have different velocity directions and Euler centers. And the movement velocity and rotation velocity of the two blocks are different. Chi-square (chi(2)) statistics indicate significant relative movement between the AM and KP blocks, confirming that they are generally independent and do not belong to the same block. The focal mechanism solutions and energy release indicate that Tanlu fault zone is a large dextral strike-slip fault, there are many deep-focus earthquakes, shallow-focus earthquakes and volcanic earthquakes in this fault zone, which release a lot of energy. Under the strong pushing of the Pacific plate, the KP block is forced to changed direction from SEE to SE along the Tanlu fault zone. These comprehensive calculations show that the AM and KP blocks are two mutually independent blocks, the boundary between them is the Tanlu fault zone.
KeywordAmurian block Korean Peninsula Tanlu fault GPS measurements chi-square statistics
DOI10.1007/s12303-019-0011-1
Indexed BySCI
Language英语
Funding ProjectMajor Project of the Natural Science Foundation of Inner Mongolia Autonomous Region of China[2016ZD0602] ; Director Fund of the Earthquake Agency of Inner Mongolia Autonomous Region[2018ZD06]
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000511879100004
PublisherGEOLOGICAL SOCIETY KOREA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/165359
Collection中国科学院海洋研究所
Corresponding AuthorLi, Chi
Affiliation1.Inner Mongolia Univ Technol, Coll Sci, Hohhot 010051, Peoples R China
2.Inner Mongolia Univ Technol, Coll Civil Engn, Hohhot 010051, Peoples R China
3.Earthquake Agcy Inner Mongolia Autonomous Reg, Hohhot 010051, Peoples R China
4.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
Recommended Citation
GB/T 7714
Li, Shuan hu,Li, Chi,Wang, Chun xiao. Boundaries of the Amurian Plate identified using multiple geophysical methods[J]. GEOSCIENCES JOURNAL,2020,24(1):49-59.
APA Li, Shuan hu,Li, Chi,&Wang, Chun xiao.(2020).Boundaries of the Amurian Plate identified using multiple geophysical methods.GEOSCIENCES JOURNAL,24(1),49-59.
MLA Li, Shuan hu,et al."Boundaries of the Amurian Plate identified using multiple geophysical methods".GEOSCIENCES JOURNAL 24.1(2020):49-59.
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