Hello Razzaline,
welcome to OSM.
what mariotomo is trying to refer to is the so called bounding box your contribiution to the OpenStreetMap database has created. Since you edited a building in Alaska and added something in Christchurch this box covers the whole world and thus shows up on EVERYBODIES radar.
Here's an explanation in the OSM wiki:
https://wiki.openstreetmap.org/wiki/Changeset#Geographical_size_of_changesets

So, please, upload your changes before you move. And maybe consider using a better editor because organic maps us never really up to date which can cause double entries.

Should you have any questions don't hesitate to contact the community. Maybe in one of these channels:
https://wiki.openstreetmap.org/wiki/Contact_channels#Chats.2Fmessengers

Happy mapping
silversurfer83