Two earthquakes have been felt in Akaroa, just minutes apart.
The first quake registered as a magnitude 3.9 at a depth of 24km and hit at 1.40pm followed by a magnitude 3.4 with a depth of 20km at 1.45pm.
Both were about 50km north-east of Akaroa.
The first was initially reported as a magnitude 3.8 but then upgraded to a 3.9.