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Geography

Large earthquakes increase in frequency when the interseismic period ends due to which fault behavior?

A)Elastic Rebound releases accumulated strain
B)Creep deformation reduces asperities
C)Thermal weakening resets failure stress
D)Fluid injection promotes fracture healing

💡 Explanation

Elastic Rebound returns a fault to its mean frictional strength because accumulated elastic strain exceeds the fault's strength; therefore, large earthquakes follow rather than gradual release or restrengthening effects from creep or fluid activity.

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