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Geography

Which outcome occurs when increased sediment load overwhelms accretionary wedge strength?

A)Seismic wave propagation dampens rapidly
B)Tsunami generation risk increases sharply
C)Volcanic activity gradually diminishes
D)Geothermal vent formation becomes less frequent

💡 Explanation

Tsunami risk increases due to sudden, large-scale submarine landslides driven by gravitational collapse. This occurs because the underconsolidation mechanism triggers wedge failure; therefore, a tsunami is more likely, rather than dampened waves or modified volcanism.

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