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7.7-magnitude earthquake on islands off west coast of Canada: USGS
Source: AFP |
October 28, 2012, Sunday
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A strong 7.7 magnitude earthquake shook the Queen Charlotte Islands off the west coast of Canada late yesterday, US government researchers said.
The epicenter of the tremor, which occurred at 8:04pm (0304 GMT today) 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 "destructive widespread tsunami threat" at this time.
However, the regional West Coast-Alaska Tsunami Warning Center issued a regional warning for coasts located near the epicenter of the earthquake.
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.
The epicenter of the tremor, which occurred at 8:04pm (0304 GMT today) 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 "destructive widespread tsunami threat" at this time.
However, the regional West Coast-Alaska Tsunami Warning Center issued a regional warning for coasts located near the epicenter of the earthquake.
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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