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← GeographyWhich geologic event often causes tsunami generation because of dip-slip faulting under oceanic plates?
A)Earthquake-induced seafloor displacement✓
B)Submarine landslide sediment compaction
C)Volcanic caldera implosion
D)Methane hydrate dissociation expansion
💡 Explanation
An earthquake generates tsunamis because it induces seafloor displacement via vertical movement along a dip-slip fault. This rapid displacement projects energy outwards in all directions. Therefore, it leads to tsunami initiation rather than alternative seismic events.
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