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← GeographyWhich outcome occurs when differential stress exceeds the static friction across a fault plane at depth?
A)Tsunami generation from seafloor displacement
B)Formation of strike caused seismic waves✓
C)Metamorphic changes through fault gouge
D)Decreased regional volcanic activity
💡 Explanation
When differential stress overcomes static friction along a fault plane, stick-slip behavior occurs because built-up elastic strain is suddenly released, generating seismic shear waves. Shear waves cause lateral ground motion. Therefore, ground shaking occurs, instead of tsunami or gouge formation which requires different mechanisms.
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