据报道，此次地震震源深度4公里。
The fresh quake is reported to have a depth of 4-kilometers.
结果表明，用这些震相测定地震震源深度，提高了台站测定远震震源参数的精度。
It is indicated that the precision of depth determined by this station is improved for the distant earthquakes if this approach is used.
构造带的推覆构造特征很可能控制了地震震源深度、震中区与烈度区的不同位等特征。
The characters of the nappe structure may control the locations of the focus and epicenter as well as the other features.
本文系统总结了这些流变实验资料，并应用流变数据结合地震震源深度分布，对华北地壳流变性质进行了研究。
In this paper, we summarize systematically the existing experimental data, and study crustal rheology of North China by using these data combined with focal depth distributions in this region.
本文系统总结了这些流变实验资料，并应用流变数据结合地震震源深度分布，对华北地壳流变性质进行了研究。
In this paper, we summarize systematically the existing experimental data, and study crustal rheology of North China by using these data combined with focal depth distributions in this region.
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