Drivers have trouble steering. Houses that are not bolted down might shift on their foundations. Tall structures such as towers and chimneys might twist and fall. Well-built buildings suffer slight damage. Poorly built structures suffer severe damage.
Tree branches break.
Hillsides might crack if the ground is wet. Water levels in wells might change. Well-built buildings suffer considerable damage. Houses that are not bolted down move off their foundations. Some underground pipes are broken.