Quakra

Quara, also known as Quake 2, is a stronger form of the earth-elemental spell Quake in the Compilation of Final Fantasy VII. It has an even stronger version, known as Quaga.

Final Fantasy VII
Quake 2 is the second level spell on the Earth Magic Materia. It takes 6000 AP to learn and 28 MP to cast.

Before Crisis -Final Fantasy VII-
Quara is an elemental Magic Materia.