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  • Assessment of publicly available information of the Ashley Fault Zone, including aerial photography and satellite imagery
  • Examination of a high resolution LiDAR dataset that provides a very precise picture of the height and shape of the ground surface
  • An inspection of landforms near the Ashley Fault Zone
  • Mapping of ground surface deformation of past earthquakes on the fault zone.
  • The fault zone was first mapped in 1973 and this latest report provides more detailed and up-to-date mapping of the fault zone. The report can be downloaded from and the attached GIS map is available on the Canterbury Maps website —  ]]>