The tsunami alerts were canceled “because additional information and analysis have better defined the threat,” said the National Tsunami Warning Center in Palmer, Alaska
Small tsunami waves of less than 1 foot were reported in Alaska, the center said.
The minor tsunami was triggered by a magnitude-7.9 earthquake that struck the Gulf of Alaska shortly after midnight. It was centered about 175 miles southeast of Kodiak, Alaska, at a depth of 15 miles, the US Geological Survey said.
Although the tsunami warnings were canceled, San Francisco officials warned residents to stay away from coastlines for 12 hours.
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Shoreline areas, marinas and harbors may have “dangerous, strong & unpredictable currents,” the San Francisco Department of Emergency Management tweeted.
‘Whole town is evacuating’
Nathaniel Moore was on a commercial fishing boat in Kodiak when the quake hit. He said he felt it “shake really good for a minute.” He and others on the vessel quickly got to shore and headed for higher ground amid the tsunami warning.
“The whole town is evacuating,” he told CNN early Tuesday.
Tsunami sirens sounded in Kodiak, and police warned: “This is not a drill.”
Though the tsunami warnings were canceled, schools in Kodiak canceled classes Tuesday after campuses opened overnight as emergency shelters, the district announced via Facebook
Wendy Bliss Snipes described the quake as “a slow roller, so it was felt for at least a minute before the real rolling started. Nothing fell off the walls, and I didn’t have to wake my kiddo.”
Heather Rand, who was in Anchorage, Alaska, told CNN that the earthquake felt like the longest she had ever experienced.
“It was a very long, slow build up. Creepy, more than anything. Definitely the longest, and I was born here,” Rand said. She reported no damage besides cracks in the drywall.
CORRECTION: This story has been updated to correctly attribute a quotation from an Alaska resident.