Is it true that there will be an earth quake on july 18th?

Question

i have been getting e-mails of this sort of thing and im really getting worried on my relatives are going to die in the Philippines..but there is one more question is the earth quake going to strike the entire world or just Philippines?

8.1 earth quake altitude please people lets pray to this wont happen to the nice beautiful Philippines.. lets please pray please pray,pray,pray