Here are some resources for the New Zealand earthquake. Technical details of the quake can be found at the
USGS page for this earthquake which also has a page for Damage and Strength reports. A good way to keep track of the latest news articles is with the Google News Latest on this earthquake and Updates from CNN. Whilst it currently looks like there will not be a tsunami, bulletins pertaining to this can be found at the Pacific Tsunami Warning Center.
Current indications are there are some areas of widespread damage