|Well, congrats. You discovered it. You get to name it.|
Although this article is based on canonical information, the actual name of this subject is conjectural.
Although some characters have terrakinesis as an innate ability, the use of a specific spell can cause the same effect. We see the spell in Born Under a Bad Sign, where Meg, possessing Sam, used the spell to break the Devil's trap which trapped her.
IncantationEditThe incantation used by Meg is in Latin. However, only the italicized text is clearly audible. The Bold text was gibberish and hard enough to hear:
Spiritus in mundus un glorum suarum umitite palatum iram domine, coma dopen oonus cooeam viiono