The claim seems about true, they are saying that the international Ocean Discovery Program, researchers on board dug 1,000 meters into the ocean floor off the South Island of New Zealand in January 2025. In order to investigate the subduction zone dynamics, they focused on the northern edge of Zealandia. The majority of the continent was submerged by tectonic processes, as demonstrated by the volcanic ash layers and fault structures found in core samples taken from the drill site 25 million years ago.
