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Home arrow Articles by Topic arrow Tsunami arrow Ripple system to warn of big wave
Ripple system to warn of big wave PDF Print
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Articles - Tsunami
Written by Denise Piper - Whangarei Leader   
Tuesday, 03 July 2007

A signal sent down powerlines to sirens and in-home alarms will let Northlanders know when a tsunami is coming.

The Northland Civil Defence emergency management group is hoping to implement the Meerkat Alert System in the region after a successful trial in the Far North.

The system is just one way Northlanders will be warned of a tsunami.

The Northland Regional Council already runs text message alerts for those who sign up for the service.

Northland is one of New Zealand's most tsunami-prone regions

Northland is one of New Zealand's most tsunami-prone regions, and warning times could range from less than an hour for local events, to up to 12 hours from an event from across the Pacific.

Councillor Sheryl Mai told the Whangarei District Council's works and services committee that the system operates on simple technology.

It uses ripple control technology sent down the powerlines - the same technology that allows power companies to turn off hot water cylinders in the home.

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