Does iNaturalist read EXIF GPS precision/accuracy tags? There was discussion of that a few years ago:
https://groups.google.com/g/inaturalist/c/IPQEKOj3J58/m/ThzD0-o2BQAJ
And here’s how to add gpshpositioningerror to your pics. I’m assuming iNat reads it, otherwise, why would this person be doing it?
https://forum.inaturalist.org/t/geotagging-photos/66/5?u=pfau_tarleton
[edit added] @ joaolemoslima
I tried this…and it worked very well! I’m using a Windows machine, so, I downloaded exiftool (you have to rename exiftool(-k).exe to exiftool.exe in order for it to execute) and put it in a folder called exif directly under C: (just to reduce directory path name in the command). Then put some pics in the same folder (again, just to reduce the directory path name). Then executed this command in the command prompt (cmd):
C:\exif\exiftool.exe -gpshpositioningerror=10 C:\exif\
The 10 is 10 m. You can save this command in a text file for use when you need it. Move your pics to this folder, copy/paste the command in the command prompt window, then move the edited pic files back to where you want them. If you don’t want to move the pics into this folder, you have to edit the command to include the directory path to where the pics are located. Choose which is easiest for you. Exiftool keeps a copy of your original file (renamed to include ‘original’ at end of file name). This is super easy, and just takes a few seconds.