A magnitude 4.0 earthquake has hit near Christchurch, waking some residents.
A magnitude 4.0 earthquake has rocked the South Island. Photo: GeoNet
So far 914 people have reported feeling the weak quake on GeoNet, which struck at 6.34am.
GeoNet reported the quake as having a depth of 4km, 30km south of Oxford.
One person wrote on Twitter that the quake woke them up.