Earth’s continental plate movement can cause problems for GPS (2016)

The continent has shifted by 4.9 feet since the last adjustment was made to GPS coordinates in 1994, reports the New York Times. And the plate that Australia sits on has been moving relatively fast, about 2.7 inches a year (northward and with a slight clockwise rotation). The next adjustment is said to be due by the end of this year, on the order of 4.9 feet.

Source: news.nationalgeographic.com