Information for Canterbury Surveyors on Post Earthquake Cadastral Measures
Parts of the information in this section have been superseded by the Canterbury Earthquake Rules and Guideline. The Rules were gazetted on 23 December 2010 and came into effect from 31 January 2011.
The Surveyor-General has provided the information on the pages below to assist cadastral surveyors working in the Canterbury region, following the earthquakes on 4 September 2010 and 22 February 2011.
Introduction
The 4 September 2010 magnitude 7.1 Canterbury earthquake has resulted in land surface displacement over a large area of rural and urban land in Canterbury. more...
Categories of earthquake affected parcels
Five categories have been recognised for which different survey responses are required. These categories may need to be modified as post-earthquake surveys and survey information come to hand. more...
Undertaking cadastral boundary definitions in the 5 categories
Limited information will be available until the cadastral survey network marks identified above have been re-surveyed and adjusted and parcels affected by liquefaction, shear and distortion identified. more...
Protection of cadastral survey network marks
It has been recognised that there will be some destruction of non-boundary marks and boundary marks in areas which will be subject to replacement of underground infrastructure and compaction of surface material. more...
Diagram showing the Canterbury Earthquake fault trace. View a larger version of the image here: Canterbury Earthquake Fault Trace (2.8MB)
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