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← GeographyWhich outcome occurs when increased pore fluid pressure reduces effective stress on tectonic plates near the San Andreas fault?
A)Induced earthquake slip tendency increases✓
B)Aseismic creep rate decreases abruptly
C)Fault gouge cohesion is significantly enhanced
D)Mantle upwelling cools surrounding rocks
💡 Explanation
Reduced effective stress increases the likelihood of fault slip because it diminishes the frictional resistance opposing tectonic forces; therefore, induced earthquake slip tendency increases rather than aseismic creep slowing or gouge cohesion strengthening in surrounding areas.
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