Christchurch has been rattled by a 4.8-magnitude earthquake on Friday afternoon.
The quake happened at 3.29pm 30km west of Christchurch at a depth of 11km, GeoNet says.
A smaller quake of magnitude 3.1 also occurred at 3.41pm, 25km west of the city at a depth of 8km.
There have been no reports of damage.
