The chaos caused by the flood has been detailed in a new Napier City Council report.
And the towns of Hokitika and Greymouth are sitting right in the firing line.
The model will come into effect between April and June next year.
More than 700 victims have so far been discharged from hospitals while eight remain in intensive care.
Do you blow your top when stressed? If so, you're in good company.
The avalanche was large enough to destroy large buildings or a forest.
Both councils say they've been under big pressure compounded by the pandemic.
When earthquakes rupture across multiple faults, they create much stronger quakes.
A light earthquake has rattled the central North Island.