Recent destructive earthquakes, such as the 2008 Mw 7.9 Wenchuan, China, event, have demonstrated the complex nature of thrust‐fault ruptures, which commonly involve slip along multiple‐fault splays and breach lateral segment boundaries (e.g., Yeats et al., 1997; Hubbard and Shaw, 2009; Hubbard et al., 2010; Li, Jia, et al., 2010). These characteristics pose significant challenges when assessing the seismic hazards of active thrust faults. In many regions of active faulting, earthquake forecasts rely primarily on surface ruptures to define previous fault activity, slip rates, and paleoearthquake magnitudes. As a result, assessments of...

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