A powerful 7.8 earthquake has struck the Alaska Peninsula and a tsunami warning has been issued.
According to the U.S. Geological Survey, the 7.8 magnitude quake struck Tuesday at about 11:12 p.m. PST. It had a depth of 6 miles (9.6 kilometers) and was centered 60 miles (96 kilometers) south-southeast of Perryville, Alaska.
The tsunami warning was issued for South Alaska, the Alaska Peninsula and the Aleutian Islands.
A tsunami advisory was posted for some areas nearby. For other US and Canadian Pacific coasts in North America, there is no tsunami threat.
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