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Fig. 1 | Progress in Earth and Planetary Science

Fig. 1

From: Variations in precursory slip behavior resulting from frictional heterogeneity

Fig. 1

Model space of the numerical simulations. Only the left half of the model space is shown here because the system is bilaterally symmetric. Red and blue lines denote velocity-weakening zones (VWZs) and velocity-strengthening zones (VSZs), respectively. Cells (pairs of VWZ and VSZ) are numbered from #1 at the edge to #35 at the center of the fault. A wide VSZ is set at the edge of the model space. The region outside the model space is assumed to slip stably at the plate velocity

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