For now on, it'll be about twenty-five cents extra per zone. So, if you cross, let's say, three zones, that'll be an extra $.75 cents added to your fare. 10-ride tickets and monthly passes are also going to go up in price. Tickets, however, are the same if you stay in the zone. The change in fares is due to the usual reasons.
And for those of you who wondered why the train didn't come by at it's usual time, thus foiling your suicide attempt, seven of the south-bound trains had their schedules adjusted to make for better on-time performance. You can see which train was changed here.