Good evening, I would like some help with this question. 5 Please note: only sta

Question

Good evening,

I would like some help with this question. 5

Please note: only state the answer. No explanation is needed. Thank you very much.

Which of the following is NOT correct concerning the elastic rebound theory?

Faults rupture when the elastic strength limit of the rock is exceeded

Elastic deformation in the adjacent crustal blocks is essentially removed after the fault ruptures

Crustal blocks adjacent to the fault become elastically deformed after the fault ruptures

An earthquake is the instant release of elastic strain energy stored in the fault zone

Fault rupture allows the deformed crustal blocks to snap back into their original shape, albeit with an added offset between blocks

Faults rupture when the elastic strength limit of the rock is exceeded

Elastic deformation in the adjacent crustal blocks is essentially removed after the fault ruptures

Crustal blocks adjacent to the fault become elastically deformed after the fault ruptures

An earthquake is the instant release of elastic strain energy stored in the fault zone

Fault rupture allows the deformed crustal blocks to snap back into their original shape, albeit with an added offset between blocks

Explanation / Answer

Fault rupture allows the deformed crustal blocks to snap back into their original shape, albeit with an added offset between blocks is wrong statement.

But with the given conditions, it is difficult to assess. No rock is perfectly elastic. And after hooke's limit permanent deformation remains even after the removal of stress. If the stress does not go beyond the hookes point it will. But once the limit exceeds it doesn't come to original shape.

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