More aftershocks occurred in the upper South Island on Saturday morning.
The first was a magnitude 3.4 at 4am at a depth of 15km, 35km north-east of Seddon.
That was followed by a magnitude 4.1 tremor at 6.09am, 18km deep, 25km east of Blenheim.
More aftershocks occurred in the upper South Island on Saturday morning.
The first was a magnitude 3.4 at 4am at a depth of 15km, 35km north-east of Seddon.
That was followed by a magnitude 4.1 tremor at 6.09am, 18km deep, 25km east of Blenheim.