followed by a magnitude 6.3 quake at 2:20 pm, centred in a similar location to that of the February quake with a depth of 6.0 kilometres. Dozens of aftershocks occurred over the following days, including several over magnitude 4.

Phone lines and power were lost in some suburbs, and liquefaction surfaced mainly in the eastern areas of the city which were worst affected following the aftershocks. Many residents in and around the hillside suburb of Sumner self-evacuated. Further damage was reported to buildings inside the cordoned central