Fortunately this evening it was followed by "CDEM event - no threat to NZ"
Here's the media release:
There is no tsunami risk to New Zealand from the 7.0 earthquake that occurred near the Vanuatu Islands today at 21:29HRS.
The Director of Civil Defence & Emergency Management, John Hamilton, said that the Ministry has received information about the earthquake from the Pacific Tsunami Warning Centre (PTWC) in Hawaii and GNS Science in New Zealand.
An assessment of the information by New Zealand tsunami experts confirms there is no tsunami risk to New Zealand.
And now I shall go to sleep, no doubt to dream of my cellphone constantly beeping to warn of impending doom...