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Licenses: Creative Commons Attribution 4.0 International Organisations: Environment Southland Formats: OGC WFS

  • Southland Tsunami Evacuation Zones

    Environment Southland
    The dataset shows areas of populated places along the Southland coastline that should be evacuated when there is a tsunami up to 1 metre (red zone) or between 1 and 3 metres (orange zone). RED ZONE: Shore-exclusion zone. The highest risk and first place to evacuate from in any sort of tsunami warning (natural, unofficial or official).ORANGE ZONE:...
    Created 10 September 2022 • Updated 3 February 2025

  • Southland Significant Floodplains

    Environment Southland
    Within the floodplain areas, the likelihood of flooding varies considerably depending on the existence and standard of any flood alleviation works and the height of the particular site.
    Created 10 September 2022 • Updated 3 February 2025

  • Southland Liquefaction Risk (2006/2012)

    Environment Southland
    The awareness of liquefaction has increased markedly since the Christchurch earthquakes. It is basically an earthquake related process of turning a solid soil into a liquid and weaker state. It is most likely to occur in saturated sands and silts. Related to liquefaction is a process called lateral spreading, whereby land moves towards lower areas whilst...
    Created 10 September 2022 • Updated 3 February 2025