City shaken by aftershock

5:52 am on 25 March 2011

A large aftershock shook Christchurch early on Friday.

GNS Science says it was magnitude 4.1, at 0.03am. It was centred 10km south-east of the city centre.

The shock was felt widely throughout the city.

There was a spate of aftershocks around 9pm on Thursday - the largest of which was of magnitude 3.7 at 9.24pm at a depth of 8km.

Two others, measuring 3.2 and 3.3, occurred at 3.35am and 4.58am respectively on Friday.