Board Thread:Lore Discussion/@comment-72.241.239.167-20140311020135/@comment-4705438-20140311022336

Magnus was the architect, so hiding the Eye under ground would make sense.

But I don't think he intended to give away his powers for mortals to abuse (magic). He ran for his life moments before Nirn was finished, realizing the trickery of Lorkhan.

The Eye of Magnus is more commonly theorized as a part of KINMUNE. Either the outer shell or the "space ship" of the thing.