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← GeographyWhich outcome dominates when a locked subduction zone ruptures?
A)Megathrust earthquake intensity increase✓
B)Localized tsunami wave decrease
C)Gradual continental volcanic eruption
D)Reduced crustal fault line friction
💡 Explanation
Large areas of the subduction zone face sudden displacement because elastic rebound releases accumulated stress; therefore, megathrust earthquake intensity near coasts increases rather than inducing gradual volcanic eruptions, as volcanoes need slower magma accumulation processes.
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