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Find out about the warning messages and signals for a possible tsunami, and what you should do.
Listen to the sound of a tsunami siren and compare it to a volunteer fire brigade siren.
These maps show evacuation areas for Northland in the event of an earthquake or a tsunami warning.
Find out about the risk of a tsunami in Northland.
A report on the tsunami advisory following an eruption at Hunga Tonga-Hunga Ha’apai volcano, and the impacts at Tutukaka Marina in particular.