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← GeographyWhich seismic outcome occurs when a locked strike-slip fault overcomes static friction?
A)Formation of a graben structure
B)Generation of surface shear waves✓
C)Development of an accretionary wedge
D)Subsidence of volcanic caldera
💡 Explanation
When a locked fault overcomes static friction, a rapid release of stored elastic energy occurs through stick-slip behavior because the built-up stress exceeds the fault's shear strength, generating seismic waves including surface shear waves. Therefore, surface shears result, rather than other geological features, which require distinct tectonic forces or processes.
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