User blog comment:MetalShadow272/The Missing Links of Sonic History./@comment-3353653-20110707084326/@comment-1669199-20110710161318

I think what would happen is that the water levels in the ocean would be heavily affected without the presence of the moon due to its gravitational field, meaning that various places around them globe could be flooded. I think that's how the theory goes, but I don't remember.