利用“4·20”四川芦山M_s7.0级地震检验强震预警原型系统
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摘要
文章对2013年4月20四川省雅安市芦山县发生Ms7.0级地震的强震动和测震台网数据进行离线仿真,检验强震预警原型系统的地震动态定位、震级快速估算、预警信息实时发布等关键技术环节。试验结果表明强震预警原型系统具有定位结果精度高、震级估算准确、系统响应速度快等特点,可满足地震早期预警需求,实现了在一定的地震监测能力条件下,最大程度地提高预警信息时效性和准确性的技术目标,为进一步实施在线式预警试验奠定了技术基础。
In this paper,we test key technology links of strong earthquakes early warning prototype system with April 20,2013 Sichuan Yaan Lushan Ms7. 0 earthquake waveform data of seismic network and strong motion network. The key technology links are earthquake dynamic location,magnitude rapid estimation,early warning information real- time publishing,et. al. The results indicate that the earthquake early warning system has high positioning accuracy,high magnitude precision and fast system response. The system meets the requirements of earthquake early warning. It achieved the technological objective that furthest improve the timeliness and accuracy of warning information on condition of certain earthquake monitoring capability. The technological base of further on-line test to the system is established.
In this paper,we test key technology links of strong earthquakes early warning prototype system with April 20,2013 Sichuan Yaan Lushan Ms7. 0 earthquake waveform data of seismic network and strong motion network. The key technology links are earthquake dynamic location,magnitude rapid estimation,early warning information real- time publishing,et. al. The results indicate that the earthquake early warning system has high positioning accuracy,high magnitude precision and fast system response. The system meets the requirements of earthquake early warning. It achieved the technological objective that furthest improve the timeliness and accuracy of warning information on condition of certain earthquake monitoring capability. The technological base of further on-line test to the system is established.
引文
[1]马强.地震预警技术研究及应用[D].哈尔滨:中国地震局工程力学研究所,2008.MA Qiang.Study and Application on Earthquake Early Warning[D].Harbin:Institute of Engineering Mechanics,China Earthquake Administration,2008.(in Chinese)
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[3]张红才,金星,李军,等.地震预警系统研究及应用进展[J].地球物理学进展,2013,28(2):706-719.ZHANG Hongcai,JIN Xing,LI Jun,et al.Progress of research and application of earthquake early warning system(EEWs)[J].Progress In Geophysics,2013,28(2):706-719.(in Chinese)
[4]殷海涛,刘希强,李杰,等.现今地震预警技术及其在国内发展状况的探讨[J].中国地震,2012,28(1):1-9.YIN Haitao,LIU Xiqiang,LI Jie,et al.Current Earthquake Early Warning technology and it’s development in China[J].Earthquake Research in China,2012,28(1):1-9.(in Chinese)
[5]孙利,钟红,林皋,等.高速铁路地震预警系统现状综述[J].世界地震工程,2011,27(3):89-96.SUN Li,ZHONG Hong,LIN Gao,et al.An overview of earthquake early warning systems for high speed railways and its application to BeijingShanghai high speed railway[J].World Earthquake Engineering,2011,27(3):89-96.(in Chinese)
[6]Emanuele I.Design and implementation of a landslide early warning system[J].Engineering Geology,2012,147-148.
[7]Hakan A,Oguz O,Wu Y M,et al.An alternative approach for the Istanbul earthquake early warning system[J].Soil Dynamics and Earthquake Engineering,2011,31(2):181-187.
[8]Sheen D H,Lim I S,Park J H.Magnitude scaling relationships using P waves for earthquake early warning In South Korea[J].Geosciences Journal,2014,18(1):7-12.
[9]Pagano L.Stefania Sica.Earthquake early warning for earth dams:concepts and objectives[J].Natural Hazards,2013,66(2):303-318.
[10]Hsiao N C,Wu Y M,Zhao L.A new prototype system for earthquake early warning in Taiwan[J].Soil Dynamics and Earthquake Engineering,2011,31:201-208.
[11]Jadranka S.Real-time procedure for detection of a meteotsunami within an early tsunami warning system[J].Physics and Chemistry of the Earth,2009,34(17):1023-1031.
[12]金星,张红才,李军,等.地震预警连续定位方法研究[J].地球物理学报,2012,55(3):925-936.JIN Xing,ZHANG Hongcai,LI Jun,et al.Research on continuous location method used in earthquake early warning system[J].Chinese Journal of Geophysics,2012,55(3):925-936.(in Chinese)
[13]张红才,金星,李军,等.地震预警定位方法研究[J].地震工程与工程振动,2011,31(3):168-176.ZHANG Hongcai,JIN Xing,LI Jun,et al.Research on earthquake early warning location methods[J].Journal of Earthquake Engineering and Engineering Vibration,2011,31(3):168-176.(in Chinese)
[14]刘希强,孙亚强,赵冰,等.地震震中实时动态定位的方法研究[J].西北地震学报,2012,34(4):342-349.LIU Xiqiang,SUN Yaqiang,ZHAO Bing,et al.Research on Real-time Evolutionary Earthquake Epicentral Location[J].Northwestern Seismological Journal,2012,34(4):342-349.(in Chinese)
[15]王庆民,刘希强,沈得秀.Voronoi图和双曲线联合方法在地震快速定位中的应用[J].西北地震学报,2012,34(3):234-238,244.WANG Qingmin,LIU Xiqiang,SHEN Dexiu.Apply of Voronoi diagram and hyperbola methods on earthquake rapid location[J].Northwestern Seismological Journal,2012,34(3):234-238,244.(in Chinese)
[16]刘希强,李霞,蔡寅,等.基于单台P波初始记录的地震震中和震级快速测定方法研究[J].地震研究,2012,35(4):514-521.LIU Xiqiang,LI Xia,CAI Yin,et al.Quick measuring method study for earthquake epicenter and magnitude based on initial recording of the P wave recorded at the single station[J].Journal of Seismological Research,2012,35(4):514-521.(in Chinese)
[17]宋晋东,李山有.地震预警中两种利用卓越周期估算震级方法的比较[J].地震工程与工程振动,2012,32(6):174-181.SONG Jindong,LI Shanyou.A comparison between two magnitude estimating methods using predominant period in earthquake early warning[J].Journal of Earthquake Engineering and Engineering Vibration,2012,32(6):174-181.(in Chinese)
[18]金星,张红才,李军,等.地震预警震级确定方法研究[J].地震学报,2012,34(5):593-610.JIN Xing,ZHANG Hongcai,Li Jun,et al.Research on earthquake early warning magnitude estimate[J].Acta Seismologica Sinica,2012,34(5):593-610.(in Chinese)
[19]张红才,金星,李军,等.地震预警震级计算方法研究综述[J].地球物理学进展,2012,27(2):464-474.ZHANG Hongcai,JIN Xing,LI Jun,et al.Review on magnitude estimation methods applied to earthquake early warning systems.Progress In Geophys.(in Chinese),2012,27(2):464-474.(in Chinese)
[20]Shieh J T,Wu Y M,Zhao L,et al.An examination ofτc-Pd earthquake early warning method using a strong-motion building array[J].Soil Dynamics And Earthquake Engineering,2011,31(2).240-246.
[2]崔建文,林国良,刘琼仙,等.地震预警和烈度速报台网数据通信模式分析及建议[J].地震研究,2012,35(4):555-563.CUI Jianwen,LIN Gouliang,LIU Qiongxian,et al.Analysis and Advice on Data Communication Mode in Earthquake Early Warning and Intensity Rapid Report Station Network[J].Journal of Seismological Research,2012,35(4):555-563.(in Chinese)
[3]张红才,金星,李军,等.地震预警系统研究及应用进展[J].地球物理学进展,2013,28(2):706-719.ZHANG Hongcai,JIN Xing,LI Jun,et al.Progress of research and application of earthquake early warning system(EEWs)[J].Progress In Geophysics,2013,28(2):706-719.(in Chinese)
[4]殷海涛,刘希强,李杰,等.现今地震预警技术及其在国内发展状况的探讨[J].中国地震,2012,28(1):1-9.YIN Haitao,LIU Xiqiang,LI Jie,et al.Current Earthquake Early Warning technology and it’s development in China[J].Earthquake Research in China,2012,28(1):1-9.(in Chinese)
[5]孙利,钟红,林皋,等.高速铁路地震预警系统现状综述[J].世界地震工程,2011,27(3):89-96.SUN Li,ZHONG Hong,LIN Gao,et al.An overview of earthquake early warning systems for high speed railways and its application to BeijingShanghai high speed railway[J].World Earthquake Engineering,2011,27(3):89-96.(in Chinese)
[6]Emanuele I.Design and implementation of a landslide early warning system[J].Engineering Geology,2012,147-148.
[7]Hakan A,Oguz O,Wu Y M,et al.An alternative approach for the Istanbul earthquake early warning system[J].Soil Dynamics and Earthquake Engineering,2011,31(2):181-187.
[8]Sheen D H,Lim I S,Park J H.Magnitude scaling relationships using P waves for earthquake early warning In South Korea[J].Geosciences Journal,2014,18(1):7-12.
[9]Pagano L.Stefania Sica.Earthquake early warning for earth dams:concepts and objectives[J].Natural Hazards,2013,66(2):303-318.
[10]Hsiao N C,Wu Y M,Zhao L.A new prototype system for earthquake early warning in Taiwan[J].Soil Dynamics and Earthquake Engineering,2011,31:201-208.
[11]Jadranka S.Real-time procedure for detection of a meteotsunami within an early tsunami warning system[J].Physics and Chemistry of the Earth,2009,34(17):1023-1031.
[12]金星,张红才,李军,等.地震预警连续定位方法研究[J].地球物理学报,2012,55(3):925-936.JIN Xing,ZHANG Hongcai,LI Jun,et al.Research on continuous location method used in earthquake early warning system[J].Chinese Journal of Geophysics,2012,55(3):925-936.(in Chinese)
[13]张红才,金星,李军,等.地震预警定位方法研究[J].地震工程与工程振动,2011,31(3):168-176.ZHANG Hongcai,JIN Xing,LI Jun,et al.Research on earthquake early warning location methods[J].Journal of Earthquake Engineering and Engineering Vibration,2011,31(3):168-176.(in Chinese)
[14]刘希强,孙亚强,赵冰,等.地震震中实时动态定位的方法研究[J].西北地震学报,2012,34(4):342-349.LIU Xiqiang,SUN Yaqiang,ZHAO Bing,et al.Research on Real-time Evolutionary Earthquake Epicentral Location[J].Northwestern Seismological Journal,2012,34(4):342-349.(in Chinese)
[15]王庆民,刘希强,沈得秀.Voronoi图和双曲线联合方法在地震快速定位中的应用[J].西北地震学报,2012,34(3):234-238,244.WANG Qingmin,LIU Xiqiang,SHEN Dexiu.Apply of Voronoi diagram and hyperbola methods on earthquake rapid location[J].Northwestern Seismological Journal,2012,34(3):234-238,244.(in Chinese)
[16]刘希强,李霞,蔡寅,等.基于单台P波初始记录的地震震中和震级快速测定方法研究[J].地震研究,2012,35(4):514-521.LIU Xiqiang,LI Xia,CAI Yin,et al.Quick measuring method study for earthquake epicenter and magnitude based on initial recording of the P wave recorded at the single station[J].Journal of Seismological Research,2012,35(4):514-521.(in Chinese)
[17]宋晋东,李山有.地震预警中两种利用卓越周期估算震级方法的比较[J].地震工程与工程振动,2012,32(6):174-181.SONG Jindong,LI Shanyou.A comparison between two magnitude estimating methods using predominant period in earthquake early warning[J].Journal of Earthquake Engineering and Engineering Vibration,2012,32(6):174-181.(in Chinese)
[18]金星,张红才,李军,等.地震预警震级确定方法研究[J].地震学报,2012,34(5):593-610.JIN Xing,ZHANG Hongcai,Li Jun,et al.Research on earthquake early warning magnitude estimate[J].Acta Seismologica Sinica,2012,34(5):593-610.(in Chinese)
[19]张红才,金星,李军,等.地震预警震级计算方法研究综述[J].地球物理学进展,2012,27(2):464-474.ZHANG Hongcai,JIN Xing,LI Jun,et al.Review on magnitude estimation methods applied to earthquake early warning systems.Progress In Geophys.(in Chinese),2012,27(2):464-474.(in Chinese)
[20]Shieh J T,Wu Y M,Zhao L,et al.An examination ofτc-Pd earthquake early warning method using a strong-motion building array[J].Soil Dynamics And Earthquake Engineering,2011,31(2).240-246.
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