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7.7 earthquake on islands off west coast of Canada – USGS


11:58 AM October 28th, 2012

October 28th, 2012 11:58 AM

VANCOUVER – A strong 7.7 magnitude earthquake shook the Queen Charlotte Islands off the west coast of Canada late Saturday, US government researchers said.

The epicenter of the tremor, which occurred at 8:04 local time (0304 GMT Sunday) was located 139 kilometers (86 miles) south of the town of Masset, the US Geological Survey said.

The Pacific Tsunami Warning Center said there was no threat of a tsunami at this time.

There were no immediate reports of casualties or damage.

The earthquake reading was based on the open-ended Moment Magnitude scale used by US seismologists, which measures the area of the fault that ruptured and the total energy released.

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