Yes it is this coming Thursday.

Thursday March 10 at 6:00 AM PST we will wipe the server and allow players in to form their tribe / clan charters. You will not be able to place totems yet, so you can take your time and get your tribe charters ready over the course of the day.

Friday March 11 starting at 9:00 AM PST we will allow players to place totems. Terraforming will be turned off. Once you've placed a totem, please log off to reduce traffic on this day. We may turn off other features as well.