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学科主题: Multidisciplinary Sciences
题名: Passive seismic experiment and ScS wave splitting in the southwestern subbasin of South China Sea
作者: Ruan, AG ; Li, JB ; Lee, CS ; Qiu, XL ; Pan, SJ
通讯作者: jbli@sio.org.cn
关键词: broadband OBS ; southwestern subbasin of SCS ; passive seismic experiment ; anisotropy ; spreading ridge
刊名: CHINESE SCIENCE BULLETIN
发表日期: 2012
卷: 57, 期:25, 页:3381-3390
部门归属: [Ruan AiGuo; Li JiaBiao; Pan ShaoJun] State Ocean Adm, Second Inst Oceanog, Hangzhou 310012, Zhejiang, Peoples R China; [Lee ChaoShing] Natl Taiwan Ocean Univ, Inst Appl Geosci, Chilung 20224, Taiwan; [Qiu XueLin] Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China
项目归属: 海洋地质
摘要: 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 N58A degrees E parallel to the ceased spreading ridge of the southwestern sub-basin of SCS (the slow direction is S35A degrees 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.
语种: 英语
WOS记录号: WOS:000307750500017
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10315
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Recommended Citation:
Ruan, AG; Li, JB; Lee, CS; Qiu, XL; Pan, SJ.Passive seismic experiment and ScS wave splitting in the southwestern subbasin of South China Sea,CHINESE SCIENCE BULLETIN,2012,57(25):3381-3390
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文件名: Passive seismic experiment and ScS wave splitting in the southwestern subbasin of South China Sea.pdf
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