This thesis proposes a geologically and culturally coherent alternative to the prevailing academic narrative of Māori migration to Aotearoa New Zealand. The standard model positions the migration as deliberate exploration-driven colonisation originating from broad East Polynesian culture around 1250–1350 CE. This thesis argues instead that the migration was a catastrophic displacement event — a volcanic eruption that destroyed a distinct, fully-formed Māori homeland island situated in the zone between the Monowai Seamount and the Kermadec Islands, corresponding geologically to a major caldera-forming eruption in the Tonga-Kermadec arc dated to 1040–1180 CE. The evidence examined spans oceanography, volcanology, genetics, linguistics, navigation science, and deep Māori oral tradition and cosmology. Each line of evidence independently supports the same conclusion: that the ancestors of Māori were a specific island community destroyed by volcanic catastrophe, that their survival and migration was an organised evacuation along a natural corridor of ocean current and volcanic weather, and that the name Aotearoa itself encodes a precise navigational and geological memory of the event. The final crossing from the Kermadec Islands to Northland — approximately 1,100 kilometres — was achievable in four to seven days at documented waka hourua speeds, resolving the longstanding supply problem that has puzzled researchers for decades. The Kermadec Islands — specifically Rangitahua (Raoul Island) — served as a natural protection zone: northern sea cliffs absorbing tsunami energy, Denham Bay opening directly southwest toward Aotearoa, crater lakes providing drinking-quality fresh water, and the island's fertility sustaining survivors through months of shelter and canoe repair. Tuhua obsidian from the Bay of Plenty found at Raoul Island confirms prior exchange with New Zealand, meaning the navigators knew the route before they were forced to take it. The founding population of 170–230 women — established by mitochondrial DNA analysis — is precisely consistent with catastrophic volcanic survival at approximately 5.9% of a viable island community, and inconsistent with every voluntary exploration framing. Māori oral tradition, reread as geological and navigational record rather than metaphor, corroborates every element: Hawaiki as an unreturnable destroyed place, the birds laughing as pre-eruption animal behaviour, Hine-nui-te-Pō as caldera eruption, and Aotearoa itself as a navigational memory of the volcanic cloud the survivors followed southwest from death toward life. This hypothesis does not diminish Māori history. It elevates it — from the story of fortunate explorers to the story of a people who survived the unsurvivable, preserved their entire civilisation through catastrophe, and built one of the most profound indigenous cultures on earth from the ashes of total destruction.
Nicolas Antony Brown (Mon,) studied this question.