3 datasets found

  • Nelson Tasman Tsunami Evacuation Zones

    Nelson City Council
    Tsunami Evacuation Zones based on different wave heights - 1-3m (orange), 3-8m (yellow), and ocean (red).Originally provided by GNS Science, then adjusted by Resource Scientist at Tasman District Council, to coincide with logical property boundaries or roads.
    Created 3 May 2019 • Updated 3 October 2020

  • Chatham Island Tsunami Evacuation Zones

    Environment Canterbury
    This dataset shows the tsunami evacuation zones for the Chatham Islands Council, drawn in December 2017. What do the zones mean? The Red Zone is the shore exclusion zone, including beaches, estuaries, river mouths and Te Whanga Lagoon. Even if a tsunami is not big enough to flood land, it can cause strong and unusual currents in the water, and...
    Created 16 July 2020 • Updated 1 September 2020

  • Marlborough Tsunami Evacuation Zones

    Marlborough District Council
    Red Evacuation Zone –Shore Exclusion Zone: 0.2-1m threat level warning Orange Evacuation Zone: 1- 3m and3 –5m threat level warning –500 year return period –includes the Red Evacuation Zone Yellow Evacuation Zone: > 5m threat level warning –“worst scenario”2,500 year return period The definitions of the three tsunami warning / evacuation zones are...
    Created 29 January 2020 • Updated 10 April 2020
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