The lower South Island has been jolted by a second quake on Monday as aftershocks from a major earthquake in July continue.
The latest quake was felt in Invercargill and Otatara at 4.57pm and measured 5.4 on the Richter scale.
It was centred 110km west of Tuatapere at a focal depth of 5km, according to GNS Science.
At 6.33am, a quake measuring 4.5 also shook lower South Island. That quake was centred 110km west of Te Anau in Fiordland at a focal depth of 12km.
A number of aftershocks have been recorded since a major earthquake measuring 7.8 on the Richter scale occurred at Dusky Sound in Fiordland on 15 July.