A magnitude 4.5 earthquake caused light shaking around St Arnaud and the top of the South Island this morning.
The quake was centred 35km north of Hanmer Springs at a depth of 59km.
M4.4 quake causing weak shaking near St Arnaud https://t.co/yT5OIUm1p8
— GeoNet M4+ quakes (@geonet_above4) January 8, 2018
GeoNet received more than 400 'felt reports' from around the Tasman district, the West Coast and Canterbury.
"The quake may have been felt in Blenheim, Cheviot, Culverden, Hanmer Springs, Kaikoura, Motueka, Murchison, Nelson, Reefton, Seddon, St Arnaud, Westport and surrounding localities," GeoNet said.