According to feng shui theory, Wenchang position depends on the orientation of the house. If the door faces west and the house sits east and west, it is the earthquake house:
Earthquake houses are located in the east, west and northwest.
Xun Zhai sits in the southeast, northwest and south.
Sit away from the house, facing south, north and southeast.
Zhai Kun is located in the southwest, facing the northeast and due west.
Duizhai is located in the southwest facing west.
The dry house is located in the northwest, southeast and east.
Kanzhai is located in the northeast and faces south.
Genzhai is located in northeast, southwest and north.