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← GeographyWhich phenomenon exacerbates tsunami height during subduction zone earthquake events?
A)Seafloor sediments liquefaction under stress
B)Coastal mangrove forest root collapse
C)Volcanic ash cloud atmospheric loading
D)Fault rupture angle causing uplift✓
💡 Explanation
When a subduction zone earthquake occurs, the fault rupture angle significantly influences tsunami height because a steeper angle promotes greater vertical displacement of the seafloor, displacing more water. Therefore fault angle uplift results, rather than liquefaction, root collapse or ash cloud which cause only secondary effects.
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