西沙群岛和哀牢山红河地区的宽频带地震观测
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摘要
利用宽频带数字地震仪分别在南海西沙永兴岛和云南哀牢山$C红河断裂带两侧开展了流动观测 ,经过 1a的运行记录了许多地震波形数据 ,为研究南海西北部及哀牢山$C红河地区的深部结构提供了重要的信息 ,也为在海域岛礁地带进行地震观测积累了经验。
Using broadband digital seismographs, a temporary earthquake observation was carried out in the Xisha Islands of the South China Sea and near the Ailao Shan-Red River fault zone. A large amount of seismic waveform data has been recorded in the last year and they have provided important information for the study of the deep structure of the northwestern South China Sea and the Ailao Shan-Red River region. Moreover, the observation will offer some experience for the earthquake observation in island regions.
Using broadband digital seismographs, a temporary earthquake observation was carried out in the Xisha Islands of the South China Sea and near the Ailao Shan-Red River fault zone. A large amount of seismic waveform data has been recorded in the last year and they have provided important information for the study of the deep structure of the northwestern South China Sea and the Ailao Shan-Red River region. Moreover, the observation will offer some experience for the earthquake observation in island regions.
引文
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[3]ScharerU ,TapponnierP ,LacassinR ,etal.IntraplatetectonicsinAsia:ApreciseageofTertiarylarge scalemove mentalongtheAilaoShanRedRivershearbelt,China[J].EarthPlanet.Sci.Lett.,1990,97(1—2):65—77.
[4]HarrisonTM ,ChenW ,LeloupPH ,etal.AnearlyMiocenetransitionindeformationregimeontheRedRiveraultzone,Yunnan,anditsimplicationtoIndoAisatectonics[J].J.Geophys.Res.,1992,97(B5):7159—7182.
[5]BriaisA ,PatriatP ,TapponnierP .UpdatedinterpretationofmagneticanomaliesandseafloorspreadingstagesintheSouthChinaSea:ImplicationfortheTertiarytectonicsofSEAsia[J].J.Geophys.Res.,1993,98(B4):6299—6328.
[6]LeloupPH ,HarrisonTM ,RyersonFJ,etal.Structural,petrologicalandthermalevolutionofaTertiaryductilestrike slipshearzone,DiancangShan,Yunnan[J].J .Geophys.Res.,1993,98(B4):6175—6743.
[7]LeloupPH ,LacassinR ,TapponnierP ,etal.TheAilaoShanRedRivershearzone(Yunnan,China),TertiarytransformboundaryofIndochina[J].Tectonophysics,1995,251(1—4):3—84.
[8]丘学林,周 蒂,夏勘原,等.南海西沙海槽地壳结构的海底地震仪探测与研究[J].热带海洋,2000,19(2):9—18.
[9]刘福田,刘建华.滇西特提斯造山带下扬子地块的俯冲板片[J].科学通报,2000,45(1):79—84.
[10]刘建华,刘福田,何建坤,等.攀西古裂谷的地震成像研究--壳幔构造特征及其演化推断[J].中国科学(D辑),2000,30(增刊):9—15.
[11]黄金莉,赵大鹏.川滇活动构造区地震层析成像[J].地球物理学报,2001,44(增刊):127—135.
[12]王椿镛,MooneyWD ,王溪莉,等.川滇地区地壳上地幔三维速度结构研究[J].地震学报,2002,21(1):1—16.
[13]朱长歧,刘崇权.西沙永兴岛珊瑚砂场地工程性质研究[J].岩土力学,1995,16(2):35—41.
[14]胡鸿祥,陆涵行,王椿镛,等.滇西地区地壳结构的爆破地震研究[J].地球物理学报,1986,29(2):133—143.
[15]熊绍柏,郑晔,尹周勋,等.丽江-攀枝花-者海地带二维地壳结构及其构造意义[J].地球物理学报,1993,36(4):267—277.
[16]林中洋,胡鸿祥,张文彬,等.滇西地区地壳上地幔速度结构特征的研究[J].地震学报,1993,15(4):427—440.
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