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← GeographyWhich consequence results when increased pore water pressure impacts fault lubrication?
A)Episodic tremor and slip events✓
B)Increased mantle convection velocities
C)Halting of fault gouge development
D)Elevated rates of ductile deformation
💡 Explanation
Episodic tremor and slip arises because increased pore pressure along the fault reduces effective normal stress, facilitating intermittent, unstable slip. This slip causes transient seismic waves known as tremors rather than ductile creep, therefore the answer is episodic tremor.
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