Tsunami are frequent visitors to New Zealand shores

Nicole Mathewson Reporter from Northern Outlook

Cantabrians should know by now that damaging tsunami here are no idle threat.

The latest tsunami report for the Christchurch City Council offers jaw-dropping scenarios of foaming, angry streams of rapidly surging seawater and some city suburbs wallowing metres deep in it.

The National Institute of Water and Atmospheric study released this week investigates how one-in-500-year and one-in-2500-year South American tsunami – generated by magnitude 9.28 and 9.49 quakes respectively – might affect the city when combined with a range of climate change-induced sea level rises and shoreline changes.

Its findings offer pretty much the worst-case outcomes from a tsunami attacking the Canterbury coast, and conjure images of devastation in Indonesia, Japan and Samoa in the past couple of decades.

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