LINZ Geodetic database

14th February Christchurch Earthquake

The 14 February 2016 earthquake affected geodetic marks in eastern Christchurch by up to 12cm horizontally and 5cm vertically. Further information and access to updated coordinates from geodetic surveys undertaken after the earthquake are available at

The Geodetic Database can be used to search for and download information about 123087 geodetic marks in New Zealand, the Chatham Islands, and Antarctica.

The database can be accessed by searching on a map or by using a text only version. The geodetic database is also available on Apple mobile devices. The Android geodetic mark app is currently under redevelopment to be compatible with modern Android operating systems. It is expected to be released in mid 2016.