Central New Zealand has been shaken by a magnitude 4.4 aftershock.

The 20km-deep quake struck 25km southeast of Seddon at 9.33am.

GeoNet said the quake was moderate.

More than 160 people have reported feeling the quake so far.

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One Twitter user described it as a "wee shake".

Hundreds of aftershocks have been felt since a deadly magnitude 7.8 quake struck near Kaikoura almost two weeks ago.