USGS geophysicist Robert Sanders told NBC News that the tremor struck a small town of about 100 people, about 50 miles south of Perryville and about 500 miles south and west of Anchorage. ..
“Events of this magnitude can cause damage and injury,” he said, adding that population sparseness reduced the risk but did not eliminate it.
“The biggest threat is the potential tsunami risk,” he said.
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Tsunami warnings have been installed by the National Tsunami Warning Center in southern Alaska, the Alaska Peninsula, and parts of the Aleutian Islands.A tsunami recommendation was also issued in southeastern Alaska, but the National Weather Service said No tsunami threat to Anchorage..
“The other US and Canadian Pacific coasts in North America have been assessed for tsunami risk levels,” the bulletin said.
The Department of Homeland Security and Emergency Management’s Alaska tweeted that the State Emergency Operations Center was “activated and calling the community in the tsunami warning area.”
Tsunami clock was also issued Hawaii Later canceled, but by the Pacific Tsunami Warning Center.
According to Sanders, the quake was initially measured at a magnitude of 7.2, but was later corrected to 8.2. He said it was not a “rare event.”
Two preliminary magnitude 6.2 and 5.6 earthquakes occurred in the same area within 30 minutes of the first, according to a report from the United States Geological Survey.
He added that a magnitude 7.8 earthquake occurred in the same area in July 2020.