预测汶川8.0级大地震地震动的震源模型
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摘要
建立基于有限断层的汶川8.0级地震的混合震源模型。其中,全局参数主要根据区域地震构造、地壳结构、地震活动性和半经验标定公式估计。局部参数分两组,一组是描述凹凸体的,另一组是k平方模型参数,依标定公式估算均值和标准差,由截断的正态分布生成。该文展示了构造的30个震源模型。
A finite fault based hybrid source model of the great Wenchuan earthquake with magnitude 8. 0 is built in this paper. The global parameters are mainly determined from the regional seismo-tectonics,structure of the crust,seismicity and a set of semi-experiential calibration laws. The local parameters consist of two groups. One is on asperity,the other one is on k square distribution. Both of them are generated from the truncated Normal distribution with mean and standard deviation values estimated by a set of calibration laws. 30 source models are presented finally.
A finite fault based hybrid source model of the great Wenchuan earthquake with magnitude 8. 0 is built in this paper. The global parameters are mainly determined from the regional seismo-tectonics,structure of the crust,seismicity and a set of semi-experiential calibration laws. The local parameters consist of two groups. One is on asperity,the other one is on k square distribution. Both of them are generated from the truncated Normal distribution with mean and standard deviation values estimated by a set of calibration laws. 30 source models are presented finally.
引文
[1]Ghasemi H,Fukushima Y,Koketsu K,et al.Groundmotion simulation for the 2008 Wenchuan,China,earthquake using the stochastic finite-fault method[C]//Bulletin of the Seismological Society of America,2010,100:2476-2490
[2]Sun Xiaodan,Tao Xiaxin,Liu Chengqing.Stochastic simulation of ground motions of the Wenchuan earthquake using slip-based corner frequency and scaling factor[J].Applied Mechanics and Materials,2013,256/257/258/259:2127-2135
[3]Zhang Y,Feng W P,Xu L S,et al.Spatio-temporal rupture process of the 2008 great Wenchuan earthquake[J].Science in China Series D:Earth Sciences,2009,52:145-154
[4]Wang W M,Zhao L F,Li J,et al.Rupture process of the Ms 8.0 Wenchuan earthquake of Sichuan,China[J].Chinese Journal of Geophysics,2008,51:1403-1410
[5]Sun Xiaodan,Tao Xiaxin,Liu Chengqing.Finite fault modeling for the Wenchuan earthquake using hybrid slip model with truncated normal distributed source parameters[J].Applied Mechanics and Materials,2013,256/257/258/259:2161-2167
[6]陶夏新,刘海明,孙晓丹,等.根据有限断层混合震源模型预测汶川大地震的峰值加速度分布[C]//纪念汶川地震一周年地震工程与减轻地震灾害研讨会文集,2009
[7]Tao Xiaxin,Anderson J G.Near field strong ground motion simulation[C]//Proceedings of the ICANCEER.Harbin,2002:79-86
[8]Tao Xiaxin,Wang Haiyun.A random source model for near filed strong ground motion prediction[C]//Proceedings of the 13WCEE.Vancouver,2004:1945-1950
[9]王海云,陶夏新.近场强地震动预测中浅源地震的Asperity模型特征[J].哈尔滨工业大学学报,2005,37(11):1533-1539(Wang Haiyun,Tao Xiaxin.Characterizing a shallow earthquake asperity model for predicting near field strong ground motion[J].Journal of Harbin Institute of Technology,2005,37(11):1533-1539(in Chinese))
[10]王海云.近场强地震动预测的随机震源模型[D].哈尔滨:中国地震局工程力学研究所,2004(Wang Haiyun.Finite fault source model for predicting near-field strong ground motion[D].Harbin:Institute of Engineering Mechanics,China Earthquake Administration,2004(in Chiese))
[11]徐锡伟,张培震,闻学泽,等.川西及其邻近地区活动构造基本特征与强震复发模型[J].地震地质,2005,27(3):446-461(Xu Xiwei,Zhang Peizhen,Wen Xuezhe,et al.Features of active tectonics and recurrence behaviors of strong earthquakes in the western Sichuan province and its adjacent regions[J].Seismology and Geology,2005,27(3):446-461(in Chinese))
[12]周荣军,李勇,Densmore A L,等.青藏高原东缘活动构造[J].矿物岩石,2006,26(2):40-51(Zhou Rongjun,Li Yong,Densmore A L,et al.Active tectonics of the eastern margin of the tibet plateau[J].Mineral&Rock,2006,26(2):40-51(in Chinese))
[13]唐文清,刘宇平,陈智梁,等.龙门山断裂构造带GPS研究[J].大地测量与地球动力学,2004,24(3):57-59(Tang Wenqing,Liu Yuping,Chen Zhiliang,et al.GPS study on Longmenshan fault zone[J].Journal of Geodesy and Geodynamics,2004,24(3):57-59(in Chinese))
[14]马保起,苏刚,侯治华,等.龙门山断裂带中段晚第四纪活动速率[J].国际地震动态,2004(增1):23(Ma Baoqi,Su Gang,Hou Zhihua,et al.Active rate at middle segment of Longmenshan fault in late quaternary[J].International Information of Seismology,2004(S1):23(in Chinese))
[15]刘海明,陶夏新.马衔山北缘断裂西段地震动场估计的震源模型[J].世界地震工程,2010(3):60-66(Liu Haiming,Tao Xiaxin.A source model for strong ground motion field estimation on the western zone of Maxianshan Beiyuan fault[J].World Earthquake Engineering,2010(3):60-66(in Chinese))
[16]孙晓丹.强地震动场估计中若干问题的研究[D].哈尔滨:哈尔滨工业大学,2010(Sun Xiaodan.Some issues on estimation of strong ground motion field[D].Harbin:Harbin Institute of Technology,2010(in Chinese))
[17]Gallovic F,Brokesove J.On strong ground motion synthesis with k-2 slip distributions[J].Seismology,2002,8(2):211-224
[2]Sun Xiaodan,Tao Xiaxin,Liu Chengqing.Stochastic simulation of ground motions of the Wenchuan earthquake using slip-based corner frequency and scaling factor[J].Applied Mechanics and Materials,2013,256/257/258/259:2127-2135
[3]Zhang Y,Feng W P,Xu L S,et al.Spatio-temporal rupture process of the 2008 great Wenchuan earthquake[J].Science in China Series D:Earth Sciences,2009,52:145-154
[4]Wang W M,Zhao L F,Li J,et al.Rupture process of the Ms 8.0 Wenchuan earthquake of Sichuan,China[J].Chinese Journal of Geophysics,2008,51:1403-1410
[5]Sun Xiaodan,Tao Xiaxin,Liu Chengqing.Finite fault modeling for the Wenchuan earthquake using hybrid slip model with truncated normal distributed source parameters[J].Applied Mechanics and Materials,2013,256/257/258/259:2161-2167
[6]陶夏新,刘海明,孙晓丹,等.根据有限断层混合震源模型预测汶川大地震的峰值加速度分布[C]//纪念汶川地震一周年地震工程与减轻地震灾害研讨会文集,2009
[7]Tao Xiaxin,Anderson J G.Near field strong ground motion simulation[C]//Proceedings of the ICANCEER.Harbin,2002:79-86
[8]Tao Xiaxin,Wang Haiyun.A random source model for near filed strong ground motion prediction[C]//Proceedings of the 13WCEE.Vancouver,2004:1945-1950
[9]王海云,陶夏新.近场强地震动预测中浅源地震的Asperity模型特征[J].哈尔滨工业大学学报,2005,37(11):1533-1539(Wang Haiyun,Tao Xiaxin.Characterizing a shallow earthquake asperity model for predicting near field strong ground motion[J].Journal of Harbin Institute of Technology,2005,37(11):1533-1539(in Chinese))
[10]王海云.近场强地震动预测的随机震源模型[D].哈尔滨:中国地震局工程力学研究所,2004(Wang Haiyun.Finite fault source model for predicting near-field strong ground motion[D].Harbin:Institute of Engineering Mechanics,China Earthquake Administration,2004(in Chiese))
[11]徐锡伟,张培震,闻学泽,等.川西及其邻近地区活动构造基本特征与强震复发模型[J].地震地质,2005,27(3):446-461(Xu Xiwei,Zhang Peizhen,Wen Xuezhe,et al.Features of active tectonics and recurrence behaviors of strong earthquakes in the western Sichuan province and its adjacent regions[J].Seismology and Geology,2005,27(3):446-461(in Chinese))
[12]周荣军,李勇,Densmore A L,等.青藏高原东缘活动构造[J].矿物岩石,2006,26(2):40-51(Zhou Rongjun,Li Yong,Densmore A L,et al.Active tectonics of the eastern margin of the tibet plateau[J].Mineral&Rock,2006,26(2):40-51(in Chinese))
[13]唐文清,刘宇平,陈智梁,等.龙门山断裂构造带GPS研究[J].大地测量与地球动力学,2004,24(3):57-59(Tang Wenqing,Liu Yuping,Chen Zhiliang,et al.GPS study on Longmenshan fault zone[J].Journal of Geodesy and Geodynamics,2004,24(3):57-59(in Chinese))
[14]马保起,苏刚,侯治华,等.龙门山断裂带中段晚第四纪活动速率[J].国际地震动态,2004(增1):23(Ma Baoqi,Su Gang,Hou Zhihua,et al.Active rate at middle segment of Longmenshan fault in late quaternary[J].International Information of Seismology,2004(S1):23(in Chinese))
[15]刘海明,陶夏新.马衔山北缘断裂西段地震动场估计的震源模型[J].世界地震工程,2010(3):60-66(Liu Haiming,Tao Xiaxin.A source model for strong ground motion field estimation on the western zone of Maxianshan Beiyuan fault[J].World Earthquake Engineering,2010(3):60-66(in Chinese))
[16]孙晓丹.强地震动场估计中若干问题的研究[D].哈尔滨:哈尔滨工业大学,2010(Sun Xiaodan.Some issues on estimation of strong ground motion field[D].Harbin:Harbin Institute of Technology,2010(in Chinese))
[17]Gallovic F,Brokesove J.On strong ground motion synthesis with k-2 slip distributions[J].Seismology,2002,8(2):211-224
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