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← GeographyWhich outcome occurs when a glacial moraine destabilizes a fault?
A)Increased seismic activity near fault✓
B)Reduced pore pressure along fault
C)Decreased tectonic uplift velocity
D)Enhanced fault creep deceleration
💡 Explanation
Increased seismic activity occurs because isostatic rebound accelerates fault slip via the mechanism of Coulomb stress transfer. When the glacier melts, this reduces normal stress; therefore, increased seismic activity occurs, rather than fault locking from higher friction on the fault plane.
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