A deadly 7.5 magnitude earthquake has struck north of Christchurch, near Hanmer Springs.
The quake was 16km deep and struck at 12.02am.
It was then followed by more than a dozen aftershocks across the country including two 6.2 magnitude quakes near Kaikoura.
A tsunami warning has been issued to a number of areas around New Zealand. This includes all of the East Coast of New Zealand, both in the North Island and the South. A 2m tsunami has hit Kaikoura.
Mass evacuations are taking place from a number of coastal settlements on the East Coast of New Zealand.
At this stage their are causalities, but the exact number is unknown, and numerous people have been injured.