A 5.7 magnitude earthquake has hit the South Island

A 5.7 magnitude earthquake has hit the South Island near Culverden.

The quake struck 20km southeast of Culverden at 6.13pm, and was 23km deep.

The quake was part of a string of quake aftershocks, which ranged from a magnitude 4 upwards.

Check Newshub for more details.