4.1 aftershock in Christchurch

A magnitude 4.1 earthquake has shaken Christchurch this afternoon. Photo / Thinkstock

A magnitude 4.1 earthquake has shaken Christchurch this afternoon.

The aftershock, at 1.31pm, was centred 10km north-east of Lyttelton at a depth of 9km.

GNS Science said the quake was felt in mid-Canterbury.

- NZPA