The earthquake that hit Christchurch has been described as a "black day for a shaken city".
The city endured a big earthquake last September but it was not prepared for the an earthquake as big as this one.
John Hamilton, director of the National Civil Defence Centre (NCDC) and Jim Anderton former deputy prime minister of New Zealand describe the impact of the devastation.
Get in touch with Today via
or text us on 84844.