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Chatham Island Tsunami Evacuation Zones
Environment CanterburyThis 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