The chief medical officer for Te Aka Whaiora said lessons had been learnt from the Christchurch earthquakes.
"There's still a lot of holes and a lot of carparks."
Christchurch Cathedral Square held its first Anzac Day dawn service since the earthquakes.
The opening of the Christchurch City and Sumner stations marks the end of a multi-million-dollar earthquake rebuild programme.
Here's what we know.
One-hundred and 15 people were killed when the six-storey Canterbury Television Building collapsed during the Christchurch Earthquake in February 2011.
The earthquake was felt by thousands of people on GeoNet.
The jolt, centred about five kilometres east of Christchurch, struck just after 5pm.
Earthquake-prone is an official classification of buildings under 34 percent of new building standards.
The popular bar, restaurant and music venue was a fixture of the city's Arts Centre for decades before the 2011 earthquake.
Almost 1 million artefacts were discovered in a 'big dig' after the Christchurch earthquakes in 2010 and 2011.
TVNZ journalist (and future Communicado founder) Neil Roberts does an ethnomusicologist turn in this edition of "established media tries to explain what the young people are doing". His subject is NZ's fledgling punk scene which is already on its way to extinction. Much of the focus is on Auckland but Doomed lead singer (and future TV presenter/producer) Johnny Abort (aka Dick Driver) flies the flag for the south. The Stimulators, Suburban Reptiles and Scavengers play live and punk fans pogo and talk about violence directed at them (from "beeries").
Update of the Canterbury Earthquake.
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Desolate.
Buildings in Riccarton damaged in the earthquake.