Solution to the flooding problem

[harm_less]

And Devonport, where the naval base is, will be an island.

similarly Mt Maunganui peak. The ismuth that makes up the residental areas of Mt Maunganui and Papamoa is less the 10m above sea level, with much of it being much less, so rising sea level or tsunami activity from White Island or Mayor Island will/would potentially wash the area clean.