I don't know if anyone has mentioned this in this very long thread, but maybe if it's mentioned every page or so someone might read it:

Yes, it seems like even if you move directly out of Weight of the Land as soon as it pops sometimes you get hit anyway (probably latency issue?).

HOWEVER, Titan attacks in set patterns. You should always know when Weight of the Land is about to go off. Just be moving already as it's cast and you will avoid it without problem.