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Timeline of earthquake response

NZ NewswireNZ Newswire 2/09/2016

TIMELINE OF THE EMERGENCY RESPONSE TO THE NORTH ISLAND EARTHQUAKE ON SEPTEMBER 2.

* 4.37am earthquake strikes

* 4.41am - The Ministry of Civil Defence & Emergency Management receives initial notification of a magnitude 6.3 earthquake from GNS Science

* 4.53am - GNS upgrades quake to a 7.1

* These earthquakes did not meet the threshold for automatic issuing of a potential tsunami threat, ministry says

* 5.10am - Ministry issues an earthquake notification

* Pacific Tsunami Warning Centre finds no tsunami threat in their initial assessment

5.33am - Ministry issues national advisory for a potential tsunami threat. Says it's proactive while awaiting confirmation from scientists

5.58am - A tsunami warning is issued

8.30am - Cancellation message sent at 8.30am.

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