A tsunami warning was lifted hours after a 7.9-magnitude earthquake struck off the coast of Alaska in the US.
The quake hit 280km (173 miles) south-east of Kodiak, at a depth of 25km, at 00:31 local time (09:31 GMT), the US Geological Survey said.
The US National Weather Service (NWS) said tsunami waves of less than 1ft (0.3m) had been confirmed.
A lower-level advisory briefly remained in effect for south Alaska and the peninsula, before being lifted.
Waves between 0.4ft and 0.7ft had been recorded in Kodiak, Seward, Old Harbor, Sitka and Yakutat, the NWS said.
It said that tsunami waves of less than 1ft were expected in the town of Homer.
The latest advisory would be the last handed out, the service said – but still advised residents not to return to "hazard zones until local emergency officials indicate it is safe to do so".
Residents had earlier been told to seek high ground as sirens in several towns blared at around 01:00 on Tuesday. Four hours later, the all-clear was given.
Kodiak City Manager Mike Tvenge thanked residents for their orderly evacuations and told them to return home safely. Mayor Pat Branson said the warning centre had done an "excellent job".
Kodiak school district cancelled all classes on Tuesday because of the warning, telling students to remain home.
The weather service said an earlier tsunami warning had been cancelled "for the coastal areas of British Columbia, south-east Alaska and south Alaska and the Alaska Peninsula from The Wash./BC Border to Hinchinbrook Entrance, Alaska".
Many residents in Kodiak left by car in the middle of the night.
One Twitter user reported hearing tsunami sirens in Kodiak.
A US weatherman tweeted about a buoy which reported a 32ft water rise shortly after the earthquake hit.
One Alaska reporter got this response when he called the Kodiak police department, looking for information about the tsunami threat.
Skip Twitter post by @Nat_Herz
Just called the Kodiak police department
Unprompted: "If this is about the tsunami, going to ask you to get to higher ground."
"Can you talk to a reporter?"
"Keith, do we have time for a reporter right now."
"No"
"We're going to have to call you back. Lives at stake."
— Nat Herz (@Nat_Herz) January 23, 2018
End of Twitter post by @Nat_Herz
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