Six small earthquakes shook Christchurch yesterday, the final quake hitting shortly before 8pm.
Geonet reported a "moderate" 3.7 magnitude earthquake striking 10km west of Christchurch at 7.53pm.
The 6km deep quake's epicentre was recorded near the Templeton golf course west of the city.
Nearly five hours earlier, a 3.8 magnitude quake struck in the same place at 8km deep.
Three weak earthquakes also struck throughout the day in the same location.