Which fault will see the hanging wall move down relative to the footwall?

Normal Fault

Solution:

Normal fault is one in which the hanging wall moves down in relation to the foot wall.

Normal fault is caused as a result of the extension of the crust and hence are also referred to as extensional faults.

Earthquakes are caused as a result of the movement along the faults.

Tensional stress is caused when we pull apart the slab of rocks  from one other which results in normal faults.

the part of the wave he is travelling on is the crest

c. magnitude and direction