A strong shallow magnitude 5.1 has rattled the upper and central North Island this morning at 5:39am and was felt by 20,000+. Located 5 km south of Te Aroha, it is in the same location as the 29th December M3.9 foreshock. It's the strongest regional earthquake on this fault since the M5.5 on 7th November 1927.
GeoNet felt map for the M5.1
The epicentre is on the active Kerepehi fault line which runs north into the Firth of Thames.
Our seismometer recorded a clear strong seismic wave at 5:40am