The earthquake which rocked the Kāpiti Coast and the rest of the North Island last night reached magnitude 7 on the Richter scale, but there are no reports of serious injuries or damage.
It was centred at sea off the South Taranaki coast
The long, rumbling quake was upgraded to magnitude-7 soon after it struck off the North Island west coast at 10.36pm.
It was centred 60km southwest of Opunake in South Taranaki at depth of 230km, GNS Science said.
It was followed by a smaller aftershock.
and the top half of the South Island.A Fire Service central communications spokesman was reported as saying there were a number of calls, but no reports of damage.
Police also received no reports of damage, and a central police spokesman said there was no spike in calls.
The quake was also felt hundreds of kilometres away in the Bay of Plenty and Christchurch.
The quake hit nearly 17 months after Christchurch’s February 22 disaster last year which killed 185 people.