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Canada 7.7 Magnitude Quake Followed by Tsunami Warning for Hawaii

Posted: 28 Oct 2012 01:53 AM PDT

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Canada 7.7 Magnitude Quake Followed by Tsunami Warning for Hawaii -Tsunami warning issued for Hawaii after a 7.7 magnitude quake struck off the coast of Canada's British Columbia province. Emergency sirens have sounded around Hawaii warning about an oncoming tsunami, after a powerful earthquake struck off the coast of Canada.

Even as emergency officials urged people along Hawaii's coasts to move to higher ground, officials in North America downgraded a tsunami warning to an advisory for southern Alaska and British Columbia. They also issued an advisory for areas of northern California and southern Oregon.

A small tsunami created by the magnitude 7.7 quake was barely noticeable in Craig, Alaska, where the first wave or surge was recorded Saturday night.

The wave or surge was recorded at 4 inches (101.6 millimetres), much smaller than forecast, said Jeremy Zidek, a spokesman for the Alaska Department of Homeland Security and Emergency Management.

The US Geological Survey said the 7.7-magnitude earthquake hit in the Queen Charlotte Islands area, followed by a 5.8-magnitude aftershock several minutes later. The quake was felt in Craig and other southeast Alaska communities, but Zidek said there were no immediate reports of damage.

The West Coast and Alaska Tsunami Warning Centre issued a warning for coastal areas of southeast Alaska, down the western Canadian coast to the tip of Vancouver Island.

Later Saturday evening, the warning for those areas was downgraded to an advisory, while a warning was issued for Hawaii.

Continue reading at Guardian.co.uk


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