Three earthquakes, two of which were just a minute apart, have been felt in Canterbury on Friday morning.
The South Island region has been experiencing many significant tremors following a 7.1-magnitude quake on 4 September which damaged many homes and businesses.
The first 4.1-magnitude tremor occurred at 9.40am on Friday and was centred 20km west of Christchurch at a depth of 10km.
The second shake, at 9.41am, measured 3.6 and was in the same location and was 15km deep.
At 10.43am, a 3.3-magnitude tremor occurred within 5km of the city at a depth of 5km.
The Christchurch City Council has given the all-clear for New Year celebrations to be held in Cathedral Square on Friday.