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← GeographyWhich outcome occurs when a fault rupture propagates unilaterally?
A)Increased stress focuses at rupture tip✓
B)Reduced strain energy near fault edge
C)Symmetrical seismic wave distribution occurs
D)Decreased likelihood of secondary faulting
💡 Explanation
Unilateral rupture generates increased stress concentration at the propagating rupture tip because of the energy release only occurs in one direction along the fault line, therefore, increasing the stress, rather than symmetric wave distribution or uniform strain.
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