| 河北易县M_L3.8、3.3地震同震形变响应及其震源机制 |
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| 引用本文： | 马栋,冯向东,张素欣,王晓山,李均良,王想. 河北易县M_L3.8、3.3地震同震形变响应及其震源机制[J]. 地震工程学报, 2011, 33(4): 386-391 |
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| 作者姓名： | 马栋 冯向东 张素欣 王晓山 李均良 王想 |
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| 作者单位： | 1. 河北省地震局,河北石家庄,050021
2. 河北省地震局易县地震台,河北易县,074211 |
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| 基金项目： | 中国地震局震情跟踪合同制定向工作任务(2010020703); 河北省科技支撑计划(09276904D) |
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| 摘 要： | 2010年7月30日河北省易县相继发生ML3.8、3.3地震,震中距离易县地震台仅7 km,震中附近主要以形变观测台站为主.虽然地震震级相对较小,但是12个形变测项均有不同程度的同震响应,这在中小地震的同震响应分析中是较为突出的震例.根据河北台网的地震波形资料对地震进行了重新定位.根据速报震中和重新定位震中分别计算两次地震的震源机制,震源断层初步断定为NEE向断层,断层表现为正断兼右旋走滑.
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| 关 键 词： | 同震形变响应 中小地震 震源机制 地震重新定位 |
Co-seismic Deformation Response and Focal Mechanism Solution of Yixian M_L3.8 and M_L3.3 Eearthquakes in Hebei Province |
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| MA?Dong,FENG?Xiang-dong,ZHANG?Su-xin,WANG?Xiao-shan,LI?Jun-liang and WANG?Xiang. Co-seismic Deformation Response and Focal Mechanism Solution of Yixian M_L3.8 and M_L3.3 Eearthquakes in Hebei Province[J]. China Earthguake Engineering Journal, 2011, 33(4): 386-391 |
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| Authors: | MA?Dong FENG?Xiang-dong ZHANG?Su-xin WANG?Xiao-shan LI?Jun-liang WANG?Xiang |
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| Affiliation: | MA Dong1,FENG Xiang-dong1,ZHANG Su-xin1,WANG Xiao-shan1,LI Jun-liang2,WANG Xiang1(1.Earthquake Administration of Hebei Province,Shijiazhuang 050021,China,2.Yixian Seismic Station,Hebei Yixian 074211,China) |
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| Abstract: | On July 30,2010,ML3.8 and ML3.3 earthquakes occurred in Yixian,Hebei province.The epicenters were located about 7 kilometers from the Yixian seismic station.The stations around the epicentres mainly are deformation stations.Although magnitude of Yixian earthquakes are small,but there were co-seismic responses in 12 observation items,that is outstanding case for moderate-small earthquakes.The earthquakes are relocated according to seismic waveform data from seismic network of Hebei province.The focal mechani... |
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| Keywords: | Co-seismic deformation response Moderate and small earthquakes Focal mechanism solution Earthquake relocation |
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