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← GeographyWhich mechanism dominates displacement along a major strike-slip fault impacting urban infrastructure?
A)Elastic rebound causing sudden offsets✓
B)Creep deformation leading to slow subsidence
C)Dilatancy generating ground expansion
D)Fluid injection inducing fault lubrication
💡 Explanation
When stress builds along a strike-slip fault, elastic rebound happens because accumulated strain exceeds friction, resulting in a sudden release and offset. Therefore, elastic rebound causes rapid displacement, contrasting with creep, dilatancy, and fluid-induced slip which involve alternative mechanisms of tectonic movement or fluid dynamics.
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