A series of earthquakes has hit Hawke's Bay overnight.
The first at 12.47am, struck 20km south of Wairoa, with a magnitude of 2.9.
It had a depth of 16 km.
Two more earthquakes struck the same area within 30 minutes.
The largest quake, with a magnitude of 4.4, was felt just before 7.30am. It was also 20km south of Wairoa and was 18km deep.