Unexplored Uncharted Content Reveal Incoming?

PlayStation Norway has posted a teaser image on their Facebook wall of Norwegian explorer Fridtjof Nansen with his face obscured by the word Uutforsket, which translates to "unexplored", or another word for "uncharted".

The images was posted with a link to uutforsket.no, a teaser site featuring nothing more than a map and a date. The date is tomorrow, March 22, hinting at some sort of reveal. But of what?

The whole explorer thing, and the word translation ovbviously point to Uncharted, but also the font of the date on the teaser site is the same font used for the Uncharted series. I think it's correct to suspect that whatever this is, is related to Uncharted in some way.

That's the confusing part. Uncharted, traditionally, has been a closed story, and any DLC has arrived in the form of mutliplayer packs and skins. Whereas the new explorer would indicate either an expansion to Uncharted 3 or Uncharted: Golden Abyss. Of course, I'm just speculating here, but what else could it be? It couldn't be a whole new game, could it?

Tell GR: What do YOU think this is?

[UPDATE] Now with teaser video... still doesn't explain anything.

Frognerparken from Uutforsket No on Vimeo.