The impact of reactive fluids on fault mechanics near the seismic-aseismic transition in the continental crust and subduction zones

Experiments will be used to explore the role of reactive fluids in modifying fault slip mechanics and will provide new constraints on deep faulting processes relevant to both locked faults at the base of the seismogenic regime, and in the transitional zone between where faults are frictionally locked and where they are freely slipping at depth. The results will contribute a physical basis for understanding the role of episodic tremor and slip, related low frequency slip phenomena, and viscous creep processes in modulating recurrence of large earthquakes in both subduction interfaces and in the continental crust.