A short, sharp earthquake was felt in central Wellington on Friday morning.
GNS Science says it was magnitude 3.6, 10km east of Wellington at a focal depth of 30km. It occurred at 10.39am.
The agency says the earthquake was felt widely across the region, with more than 70 reports within seconds.
Another was recorded 10km north east of Wellington at 3.38pm on Thursday at a depth of 30km. It was magnitude 3.4.
An earthquake has also been recorded on the west coast of the South Island. The 4.0 magnitude quake occurred at 12.34pm on Friday.
It had a focal depth of 5km and was centred 30km south-east of Ross.