Science Advances

Supplementary Materials

This PDF file includes:

  • Fig. S1. Experimental configuration for fluid injection and fault slip in the laboratory.
  • Fig. S2. Experimental procedure during laboratory injection.
  • Fig. S3. Representative records (coefficient of friction versus shear displacement) of a velocity-stepping friction experiment.
  • Fig. S4. Frictional response to velocity steps and relationship with fault dilation during a typical fluid pressurized experiment.
  • Fig. S5. Experimental conditions of the in situ injection into the natural fault at a depth of 282 m within the LSBB underground laboratory.
  • Fig. S6. Sensitivity of the best-fit numerical solution to measurements obtained with a rate-weakening fault model (see Fig. 1C) while varying the parameter and the critical slip distance.
  • Fig. S7. Model results.
  • Fig. S8. Model results.
  • Table S1. Summary of experiments and boundary conditions used during two series of velocity steps to evaluate frictional parameters (μss, μo a-b, and dc).
  • Table S2. Summary of boundary conditions during the creep experiment.
  • Reference (51)

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