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← GeographyWhich primary effect results when strike-slip fault movement exceeds a critical static friction threshold?
A)Propagation of earthquake waves✓
B)Formation of a volcanic caldera
C)Development of a glacial valley
D)Creation of an oceanic trench
💡 Explanation
When static friction is overcome along a strike-slip fault, elastic strain energy stored in the rocks is suddenly released, causing shear stresses to exceed the rock's tensile strength, leading to fracture and seismic wave generation via the stick-slip mechanism. Therefore, earthquake wave propagation occurs, rather than caldera formation, glacial valley development, or oceanic trench creation, all of which result from different geological processes.
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