When fault sections creep, they cause land deformation in a number of ways. The most common type of land deformation associated with fault creep is called aseismic creep. This type of movement occurs slowly and gradually, and it is not accompanied by earthquakes. Aseismic creep can occur when the rocks on either side of the fault are weak and they deform easily, or it can occur when the fault is under a lot of pressure and the rocks are forced to move.

Another type of land deformation associated with fault creep is called coseismic slip. This type of movement occurs during an earthquake, and it is caused by the sudden release of energy along the fault plane. Coseismic slip can cause the ground to move suddenly and violently, and it can create large cracks in the Earth's surface.

Finally, fault creep can also cause a type of land deformation called afterslip. This type of movement occurs after an earthquake, and it is caused by the slow and gradual relaxation of the rocks that were deformed during the earthquake. Afterslip can continue for days, weeks, or even months after an earthquake, and it can cause the ground to move several inches or even feet.

In all, fault creep is a complex phenomenon that can cause a wide variety of land deformation. The type of deformation that occurs depends on the nature of the fault, the rocks on either side of the fault, and the amount of movement along the fault.