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利用地震矩张量反演汾渭断裂系现今运动学特征
INVERSION OF THE PRESENT KINEMATICS CHARACTERISTICS OF FEN WEI FAULT ZONE FROM SEISMIC MOMENT TENSOR
【摘要】 探讨了利用地震矩张量反演断裂形变带运动学参数的方法,将其应用于汾渭断裂带现今运动学特征的研究.结果表明,汾渭断裂带的运动呈N22°W方向拉伸,N68°E方向压缩.其平均拉伸位移速率为0.15mm/a.
【Abstract】 In this paper,the theory and method for inversing the kinematics parameters of a fault zone are discussed,and applying them,the present kinetic characteristics of Fen wei fault zone are studied.The results show that Fen wei fault zone extends in the direction of N22°W and is compressed in the direction of N68°E.The mean extending rate is 0.15 mm/a.
【关键词】 地震矩张量反演;
断裂带;
汾渭地震构造带;
断层活动性;
应变速率;
【Key words】 Inversion of seismic moment tensor; Fracture zone; Fen wei seismotectonic zone; Fault activity; Strain rate;
【Key words】 Inversion of seismic moment tensor; Fracture zone; Fen wei seismotectonic zone; Fault activity; Strain rate;
- 【文献出处】 西北地震学报 ,NORTHWESTERN SEISMOLOGICAL JOURNAL , 编辑部邮箱 ,1998年01期
- 【分类号】P315.2
- 【被引频次】1
- 【下载频次】59