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Segmentation along Strike-Slip Faults Revisited

机译：再论沿走滑断层的分割

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Fault segmentation and fault steps and their evolution are relevant to the dynamics and size of earthquake ruptures, the distribution of fault damage zones and the capacity of fault seal. Furthermore, segment interactions and coalescence are the fundamental processes for fault growth. To contribute to this end, we investigated the architecture of strike-slip faults by combining field observations in the Valley of Fire State Park, Nevada, and the published data sets. First, we studied the trace complexity for 49 faults with offsets ranging from 12 m to 460 km. We established that the number of fault steps (hence fault segments) per unit length is correlated to the maximum fault offset by a negative power law. The faults have longer segments and fewer steps when their offsets increase, indicating the progressive growth, smoothening and simplification of the fault traces as a function of the offset, as proposed by previous investigators.
机译：断层的分段和断层的阶跃及其演化与地震破裂的动力学和大小，断层破坏带的分布以及断层的封闭能力有关。此外，段相互作用和合并是断层生长的基本过程。为此，我们结合内华达州火谷国家公园的实地观测资料和已发布的数据集，研究了走滑断层的构造。首先，我们研究了偏移量在12 m至460 km之间的49条断层的走线复杂度。我们建立了每单位长度的故障步数（因此，故障段）与负功率定律与最大故障偏移量相关。断层的偏移量增加时，断层段较长，步数较少，这表明断层的痕迹随偏移量的增长，平滑和简化，这是以前的研究人员提出的。

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