Name: Ashburton liquefaction vulnerability categories (2024)

Display Field: LIQ_CAT

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Description: This dataset provides liquefaction vulnerability categories for Ashburton District, February 2024. The vulnerability categories are those set out in the Ministry for Business, Innovation and Employment and Ministry for the Environment's 2017 Planning and engineering guidance for potentially liquefaction-prone land. The categories were derived from a Level A (Basic Desktop) assessment using available geological, geomorphological, topographical, aerial imagery, groundwater and seismic hazard information. The accompanying report is Jack, H., 2024, Revised liquefaction information for Ashburton District. Environment Canterbury report R24/01.

Copyright Text: Drawn by Helen Jack, Environment Canterbury. Peer reviewed by Nick Traylen, Geotech Consulting (NZ) Ltd.

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Spatial Reference: 2193  (2193)  LatestVCSWkid(0)

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• Value: Liquefaction damage is possible
  Label: Liquefaction damage is possible
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• Value: Liquefaction damage is unlikely
  Label: Liquefaction damage is unlikely
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• Value: Liquefaction damage is unlikely (very low liquefaction vulnerability)
  Label: Liquefaction damage is unlikely (very low liquefaction vulnerability)
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• Value: Water
  Label: Water
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• Value: Ice
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