Australian Plate south, is now being torn apart along the transform boundary marked by the Alpine Fault. South of New Zealand the boundary becomes a transitional transform-convergent boundary, the Macquarie Fault Zone, where the Australian Plate is beginning to subduct under the Pacific Plate along the Puysegur Trench. Extending southwest of this trench is the Macquarie Ridge. The southerly side is a divergent boundary with the Antarctic Plate called the Southeast Indian Ridge (SEIR). The subducting boundary through Indonesia is not parallel to the biogeographical Wallace line that separates the indigenous fauna of Asia from that of Australasia. The eastern islands of
Define the Great Line 200 since 1997. The title of the album, according to keyboardist Christopher Dudley, comes from "defining that line for yourself between becoming the man or the woman that you want to be and the man or the woman other people want you to be." "Alternative Press" used the title as an example of how on this album Underoath seemed "acutely aware of the line that separates their spiritual core from the painful reality of being human," and how "even successful musicians need help staying on the right side of that line." Unlike "They're Only Chasing Safety", "Define the Great Line"