Mepụta ụdị nke ahịrịokwu a nke dị mgbagwoju anya Ọdọ mmiri Hikurangi dị n'Oké Osimiri Pacific n'akụkụ ụsọ oké osimiri ọwụwa anyanwụ nke New Zealand.
N'ezie, ụdị okwu dị mgbagwoju anya nke ahịrịokwu ahụ bụ "The Hikurangi Trench (nke a na-akpọkwa Hikurangi Trough) bụ ihe dị omimi na Pacific Ocean nke dị n'akụkụ ọwụwa anyanwụ nke North Island nke New Zealand, nke dị n'agbata nsọtụ ndịda nke Cook Strait na Chatham Rise. "