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7.7-magnitude earthquake hits off Alaska coast: USGS
Source: AFP |
January 5, 2013, Saturday
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A major 7.7-magnitude earthquake shook an area in the Pacific Ocean off the coast of the US state of Alaska early today, the United States Geological Survey said.
The epicenter of the quake, which occurred at 0858 GMT, was located 102 kilometers west of Craig, Alaska, according to the USGS.
There were no immediate reports of casualties or damage.
The Pacific Tsunami Warning Center said there was no widespread threat of a tsunami at this time, but it issued a regional warning affecting the Alaskan coast in the proximity of the epicenter.
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 quake, which occurred at 0858 GMT, was located 102 kilometers west of Craig, Alaska, according to the USGS.
There were no immediate reports of casualties or damage.
The Pacific Tsunami Warning Center said there was no widespread threat of a tsunami at this time, but it issued a regional warning affecting the Alaskan coast in the proximity of the epicenter.
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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