Windows, dishes, doors may rattle and glasses clink. In the upper range of IV, walls of wood frame buildings may creak. Almost everyone feels movement whether inside or outdoors. Sleeping people are awakened. Small unstable objects are displaced or overturned.
Doors swing, close, or open.
Shutters, pictures on the wall move. People have difficulty walking due to motion. Objects fall from shelves and dishes, glassware and ceramics may be broken. Pictures fall off walls. Furniture moves or is overturned.