Aftershocks continue to shake Seddon with GNS reporting seven in 12 hours.
The largest was magnitude 3.5 at 10.54am on Sunday. It was 16km deep, 10km south of Seddon
GNS Science duty seismologist Craig Miller said the quakes generally being felt now are very weak, with most being magnitude 2 - 3.
He said aftershocks can still be expected for weeks to come.
The series began on 19 July. A magnitude 6.6 quake occurred on 16 August.