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Geography

Which outcome occurs when a subduction zone fault locks?

A)Elastic rebound causes seismic waves
B)Aseismic creep relieves built stress
C)Magma extrusion forms shield volcanoes
D)Isostatic uplift creates coastal plains

💡 Explanation

Locked subduction zone faults cause elastic deformation of the overriding plate; the sudden release during an earthquake causes seismic waves, because of elastic rebound. Seismic waves are favored rather than creep which happens gradually and shield volcanoes are related to hotspots.

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