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Which 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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