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Geography

Which phenomenon causes recurrent displacement during strike-slip fault movement in earthquake zones?

A)Elastic rebound from friction buildup
B)Viscous deformation of mantle material
C)Magnetic polarization of fault rocks
D)Chemical weathering of the fault gouge

💡 Explanation

When stress accumulates along locked strike-slip faults, elastic rebound occurs because friction prevents continuous slip, leading to strain accumulation and sudden rupture. Therefore elastic rebound explains recurrent displacement, unlike viscous flow, magnetic polarization or chemical processes which operate on longer time scales in the absence of locked fault asperities.

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