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← GeographyWhich risk increases when a deep-seated creep along a transform fault suddenly transitions to stick-slip behavior?
A)Increased risk of large magnitude earthquake✓
B)Decreased frequency of minor foreshocks
C)Reduced surface displacement rates along fault
D)Lower overall seismic wave energy release
💡 Explanation
When creep transitions to stick-slip, stored elastic strain exceeds frictional resistance because static friction is greater than kinetic friction, leading to rapid fault rupture releasing a large amount of energy. Therefore increased likelihood of a high magnitude earthquake results, rather than decreased foreshocks, reduced displacement, or lower energy which would indicate continued creep.
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