Severe aftershocks continue to strike the quake-damaged Canterbury and Marlborough regions, further rattling nerves in the area.
The latest sizable shock struck at 7.30pm and had a magnitude of 5.8. It hit 20km north of Kaikoura and was felt across the country.
A nearby 5.4 magnitude aftershock struck about an hour earlier and was also widely felt. It was 7km deep and centred 15km northwest of Kaikoura.
Earlier on Tuesday, two severe aftershocks hit near Seddon, causing strong shaking.
A 5.7 shake hit at a depth of 20km, at 2.34pm.
A second aftershock of 5.2 struck near Seddon again at a depth of 12km at 2.43pm.
Rail services in Wellington were suspended following the earthquakes, but have since resumed.
The two earlier shakes were felt from Auckland to the bottom of the South Island.