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Geography

Which phenomenon causes uplift and subsidence flanking strike-slip faults during rupture events?

A)Elastic rebound strain accumulation
B)Isostatic equilibrium mantle adjustment
C)Eustatic sea level rise perturbation
D)Thermohaline circulation current deflection

💡 Explanation

When stress builds along locked strike-slip faults, elastic rebound occurs because rocks deform elastically until stress exceeds frictional strength, causing sudden rupture and release that deforms the surface. Therefore elastic rebound strain accumulation results in uplift/subsidence rather than isostatic changes, sea level effects, or ocean current deflections which are slower processes.

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