4 ms·
Sad if such a country moves about 1.5m in just 20 years and thus offsets any external reference (including satellites for GPS and imaging) https://www.sciencea
by johannes1234321 2y ago
Sad if such a country moves about 1.5m in just 20 years and thus offsets any external reference (including satellites for GPS and imaging)
https://www.sciencealert.com/australia-s-about-to-move-1-5-metres-to-the-north https://www.sciencealert.com/australia-s-about-to-move-1-5-m...
- lxgr 2y agoThat's true for all countries, since every single one is located on a moving tectonic plate! But some countries experience little "intra-country coordinate drift" per year, which can make local/regional geodetic datums attractive. That approach wouldn't work for the US, for example: https://en.wikipedia.org/wiki/San_Andreas_Fault https://en.wikipedia.org/wiki/San_Andreas_Fault