Abstract: A vibrating apparatus is disclosed, in which a plurality of actuators are provided between a base table and a motion table which are installed on installation parts, each of the actuators being selectively extended and retracted to give motions to the moved portion supported on the motion table, each of the actuators including a screw shaft having a base end provided on one of the base table and the motion table through a universal joint and having a spiral groove formed on an outer periphery; and an electric motor including a rotator which has a base fixed to the other base table or motion table through a universal joint and which is hollow shaft-shaped to permit penetration of the screw shaft and has a spiral groove formed on an inner periphery, the spiral groove being screwed to the spiral groove of the screw shaft. A simulator apparatus is also disclosed, including comprising the vibrating apparatus.