Geonet reports that another three aftershocks have occurred in the last hour.
A magnitude 4.6 shock hit at 3.38pm, centred 10km east of Lyttelton. That was followed by another five minutes later, a 4.5 shake 10km south-west of Christchurch.
The third took place at 4.04pm and measured 4.6,
Christchurch quake: Aftershocks continue
Photo / @matwiseman via Twitpic
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