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《科学通报(英文版)》 2012-25
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Passive seismic experiment and ScS wave splitting in the southwestern subbasin of South China Sea

RUAN AiGuo 1,LI JiaBiao 1*,LEE ChaoShing 2,QIU XueLin 3 & PAN ShaoJun 1 1 The Second Institute of Oceanography,State Oceanic Administration,Hangzhou 310012,China;2 Institute of Applied Geosciences,Taiwan Ocean University,Keelung 20224,China;3 South China Sea Institute of Oceanology,Chinese Academy of Sciences,Guangzhou 510301,China  
The seismic experiment of 3D array of OBS in the southwestern sub-basin of the South China Sea(SCS) is briefly introduced in this paper.The data analysis of broadband OBS shows that totally 93 earthquakes with magnitude of Ms 6.0-6.9 and 10 earthquakes with magnitude above Ms 7.0 were recorded in high quality during this experiment,especially the catastrophic earthquake Ms 9.0 occurred in the east sea area of Japan on March 11,2011.The anisotropy parameters inversion of ScS wave of four events above Ms 7.0 indicates that the fast direction of shear wave is N58°E parallel to the ceased spreading ridge of the southwestern sub-basin of SCS(the slow direction is S35°E perpendicular to the spreading ridge),which means the spreading ridge is under compressing stress at present and the cessation of seafloor spreading is related to such stress field as well.
【Fund】: supported by the National Natural Science Foundation of China (91028006 40876035 and 41106053);; the National Basic Research Program of China (2007CB411701)
【CateGory Index】: P738.4
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【Citations】
Chinese Journal Full-text Database 3 Hits
1 WU ZhenLi 1,2,3,4 , LI JiaBiao 3,4* , RUAN AiGuo 3,4 , LOU Hai 5 , DING WeiWei 3,4 , NIU XiongWei 3,4 & LI XiBing 3,4 1 Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; 2 Graduate University of the Chinese Academy of Sciences, Beijing 100049, China; 3 The Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China; 4 Laboratory of Submarine Geosciences, State Oceanic Administration, Hangzhou 310012, China; 5 Institute of Geophysics, China Earthquake Administration, Beijing 100081, China;Crustal structure of the northwestern sub-basin, South China Sea: Results from a wide-angle seismic experiment[J];中国科学:地球科学(英文版);2012-01
2 LIU ZUHUI WANG QILINGYUAN HENGYONG AND Su DAQUAN(South China Sea Institute of Oceanology, Academia Sinica, Guangzhou);THE BOUGUER ANOMALIES AND DEPTHS OF MOHOROVICIC DISCONTINUITY IN THE SOUTH CHINA SEA REGION[J];海洋学报(英文版);1985-04
3 Sun Zhen, Zhou Di, Wu Shimin Key Laboratory of Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China Zhong Zhihong Department of Science and Technology, Shenzhen Branch of CNOOC, Guangzhou 510420, China Myra Keep Tectonic Special Research Center, University of Western Australia, Nedlands WA 6907, Australia Jiang Jianqun , Fan Hao Hainan Oil & Gas Exploration Company, Liaohe Oilfield of PetroChina, Panjin 124010, China;Patterns and Dynamics of Rifting on Passive Continental Margin from Shelf to Slope of the Northern South China Sea: Evidence from 3D Analogue Modeling[J];地球科学学刊(英文版);2009-01
【Co-citations】
Chinese Journal Full-text Database 3 Hits
1 RUAN Ai-Guo~(1,2),NIU Xiong-Wei~2,QIU Xue-Lin~3,LI Jia-Biao~(1,2), WU Zhen-Li~1,ZHAO Ming-Hui~3,WEI Xiao-Dong~3 1 The Second Institute of Oceanography,State Oceanic Administration,Hangzhou 310012,China 2 Department of Earth Sciences,ZheJiang University,Hangzhou 310027,China 3 South China Sea Institute of Oceanology,Chinese Academy of Sciences,Guangzhou 510301,China;A wide angle Ocean Bottom Seismometer profile across Liyue Bank,the southern margin of South China Sea[J];Chinese Journal of Geophysics;2011-12
2 YAN Pin, LIU Hai--ling(South China Sea Institute of Oceanology, The Chinese Academy of Sciences,Guangzhou 5l030l,China );ANALYSIS ON DEEP CRUST SOUNDING RESULTSIN NORTHERN MARGIN OF SOUTH CHINA SEA[J];Tropic Oceanology;2002-02
3 WU Zhen-li 1,RUAN Ai-guo 1,LI Jia-biao 1,LEE Chao-shing 2,QIU Xue-lin 3,DING Wei-wei 1 1.Second Institute of Oceanography,Laboratory of Submarine Geosciences,State Oceanic Administrtion,Hangzhou 310012,China; 2.Institute of Applied Geosciences National Taiwan Ocean University,Keelung 20224,China; 3.South China Sea Institute of Oceanology,Chinese Academy of Sciences,Guangzhou 510301,China;Wide-angle seismic exploration in the southwest sub-basin of the South China Sea[J];Journal of Tropical Oceanography;2012-03
【Secondary Citations】
Chinese Journal Full-text Database 6 Hits
1 RUAN Ai-guo~1,LI Jia-biao~1,FENG Zhan-ying~2,WU Zhen-li~1(1.Second Institute of Oceanography,SOA,Laboratory of Submarine Geosciences,SOA,Hangzhou 310012,China;2.Automatic College,Beijing Union University,Beijing 100101,China);Ocean bottom seismometer and its development in the world[J];Donghai Marine Science;2004-02
2 XUE Bin,RUAN Ai-guo,LI Xiang-yun,WU Zhen-li(Second Institute of Oceanography,SOA,Laboratory of Submarine Geosciences,SOA,Hangzhou 310012,China);The seismic data corrections of short period auto-floating ocean bottom seismometer[J];Journal of Marine Sciences;2008-02
3 Ding Weiwei1,Li Mingbi1,Zhao Lihong1,2,Ruan Aiguo1,Wu Zhenli1 1.Key Laboratory of the Submarine Geoscience,State Oceanic Administration,Hangzhou 310012,China 2.Shandong University of Science and Technology,Qingdao 266510,China;Cenozoic tectono-sedimentary characteristics and extension model of the Northwest Sub-basin,South China Sea[J];Earth Science Frontiers;2009-04
4 YAN Pin, LIU Hai--ling(South China Sea Institute of Oceanology, The Chinese Academy of Sciences,Guangzhou 5l030l,China );ANALYSIS ON DEEP CRUST SOUNDING RESULTSIN NORTHERN MARGIN OF SOUTH CHINA SEA[J];Tropic Oceanology;2002-02
5 SHI Xiao--bin, ZHOU Di, ZHANG Yi--xiang, QIU Xue--lin(South China Sea Institute of Oceanology, The Chinese Academy of Sciences,Guangzhou 5l030l, China );DENSITY, THEMAL AND RHEOLOGICAL STRUCTURESOF XISHA TROUGH, SOUTH CHINA SEA[J];Tropic Oceanology;2002-02
6 LI Xiang-yun,WU Zhen-li,XUE Bin,DING Wei-wei,RUAN Ai-guo (Second Institute of Oceanography,SOA;Laboratory of Submarine Geosciences,SOA,Hangzhou 310012,China);Short-period auto-floating ocean bottom seismometer and its operational experiences[J];Journal of Tropical Oceanography;2007-05
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