At http://en.wikipedia.org/wiki/Richter_magnitude_scale we can read:
Light:4.0-4.9:Noticeable shaking of indoor items, rattling noises. Significant damage unlikely.:6,200 per year (est.)
And at http://www.geonet.org.nz/earthquake/quakes/recent_quakes.html we can see that NZ has had three of these so far this month, pretty much without comment.
Yet the British media and public has gone into overdrive:
I suppose we should credit the NZ media with not telling people that the Poms should get over it.
They fail to pass any comment at http://stuff.co.nz/4042233a12.html - which is probably just as well.