An 8.2-magnitude earthquake has hit about 300 kilometers (175 miles) southeast of Kodiak, Alaska, in the Gulf of Alaska.
It hit at a depth of 10km at 12.31 a.m. (09:31 GMT) on Monday, the U.S. Geological Survey said.
A tsunami warning is in effect for southeast and south Alaska, including the Alaska peninsula, Aleutian islands and British Columbia in Canada.
A tsunami watch is in effect for California, Oregon and Washington, according to the Tsunami Warning Center.
Anchorage has issued an extreme warning, saying there is “extraordinary threat to life or property”.
People in affected areas have been told to seek refuge on higher ground.
tsunami sirens going off in kodiak after the earthquake, i usually only ever hear the weekly siren test at 2pm on wednesdays so hearing it at 1am on tuesday is actually terrifying!! pic.twitter.com/ea5y7U6xnf
— kylie j (@scarygirI) January 23, 2018
Scary moments in Kodiak, Alaska
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