I got interested in this theory from the bible prophesy as when in tribulations it said that a !/3 of the stars fell to earth.
Like many at first I thought that was symbolic but started applying physics thinking to it that might be true as the icecaps are melting.
So if a built up of ice caps could make a mantle shift the opposite could be true.
Be a north/south or opposite. 1/3 positional movement.
Which land mass would wind up the new artic pole the U.S. or Russia is the theoritical question as the land masses are on opposites sides of the globe.
Best guess appreciated.