
The country's earthquake monitoring website GeoNet said the earthquake was centred 100 kilometres off the east coast near the small township of Te Araroa at a depth of 25 kilometres.
The quake hit just after 10am local time (2200GMT Wednesday) and was felt by residents throughout the North Island, including in the capital city Wellington more than 500 kilometres away.
Authorities said there was no risk of a tsunami.
- DPA