If you want to know the damage that an earthquake of a 7.0 magnitude can do, refer to a mercalli intensity scale tiltmeter richter scale moment magnitude scale

The answer is; Mercalli intensity scale

It measures the intensity of an earthquake which can be determined by its destruction effect. The Ritcher scale on the other hand mostly measures the energy of an earthquake. The Mercalli scale ranges from I (no destruction) to XII (Total destruction).  

the answer is d (apex) good luck : ))