According to the U.S. Geological Survey, a 7.1-magnitude earthquake struck Alaska early Sunday morning.
Its epicenter was located 52 miles (83 Km) east of Old Iliamna, Alaska. It had an initial magnitude of 6.4.
The USGS reported that there was a low likelihood of casualties and damage, but also reported that strong shaking could be felt near Anchorage.
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According to utility and media reports, the quake aused power outages in the region, with reports saying that at least 10,000 customers were without electricity in the Anchorage area.
The National Tsunami Warning Center said that no tsunami was expected along the U.S. West Coast or in the Pacific Basin
There have been at least 15 aftershocks since the major quake, the Alaska Earthquake Center at the University of Alaska, Fairbanks, reported.