4.3 quake rattles Christchurch
Updated at 11:03 pm on 21 September 2012
Christchurch has been jolted by a magnitude 4.3 earthquake.
The quake struck about 1.30pm on Friday and was centred 20 kilometres east of the city at a depth of 7 kilometres.
GeoNet classified its intensity as "strong".
There have been no reports of damage.
Listen to GNS Science seismologist, Dr Martin Rayner, on Checkpoint
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