Magnitude-4 quake shakes New Zealand

The New Zealand city of Christchurch has been shaken by a magnitude 4 earthquake.

The quake struck just before 10.30am (0830 AEDT) on Sunday, GeoNet says.

It was 8km deep and centred 10km southeast of the city.

More than 1000 people reported feeling the quake on GeoNet's site.

Police and the Fire Service said they'd had no reports of damage.

"It was just a bit of a rumble," a Fire Service spokeswoman said.