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Natural hazards

Tsunami

Natural warning signs and what to do immediately.

  • Natural warnings: a long or strong earthquake, a sudden rise or fall in sea level, or loud and unusual noises from the sea. If you notice any of these, move immediately.
  • Go to the nearest high ground or as far inland as you can. If evacuation maps are available, follow them.
  • Walk, run or cycle if you can, to avoid traffic.
  • Stay away from the coast until officials tell you it is safe. A tsunami can be a series of waves.
  • Official warnings may come through Emergency Mobile Alert, radio, and Civil Defence.
Last reviewed
2026-11-11
Offline
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Status
Approved for publication (unofficial summary)