In the heart of Takapuna, north-central Auckland, is a natural lake—Pupuke—while a little way offshore lies the volcanic Rangitoto Island. Long ago, a family of giants lived at Takapuna until one day, ill-advisedly, they insulted the irascible fire goddess Mahuika. Enraged, Mahuika tore a hole in the land where the giants lived, creating what became Lake Pupuke, dumping the material offshore to form Rangitoto Island.
Click here for original story, Firepits of the Gods: Ancient memories of maar volcanoes
Source: Phys.org