"The Tsunami Warning in Alaska that accompanied this morning's M7.0 natural disaster has been cancelled", the NWS said via Twitter.
Rush-hour traffic in Anchorage came to a standstill and jammed up heading out of town after the quake struck at around 8:30 a.m. local time (1230 EST/1730 GMT).
Residents of Kodiak Island, 321 kilometres south of Alaska, have been told to go to high ground amid tsunami warnings after the quakes. CNN reported that television station KTUU, an NBC affiliate, also was knocked off the air. Helicopters and drones were being used to assess infrastructure damage across the region. A photo shared with News 6 by KTVA reporter Cassie Schirm showed damage at the news station. New data from the University of Alaska Fairbanks Geophysical Institute later placed it at 7.0, centered 10 miles north of Anchorage and at a depth of 40 kkm.
"We were pretty nervous", said John Ruhlin, who is from Cleveland, but now teaches at West Anchorage High School.
"I took him just in time before the TV fell on him", she recounted from an emergency shelter, where she took the boy and his two younger siblings afterwards.
"After a major quake, I have issued a declaration of disaster & I have been in direct contact with the White House", Gov.More news: Nintendo's Black Friday & Cyber Monday Sales Top $250 Million
Trump tweeted: "To the Great people of Alaska". Walker's statement concluded. "God bless Alaska".
"Because we don't have a big historic catalog of big earthquakes in the Puget Sound area, we have a lot of old, unsafe buildings that have not been retrofit and strengthened yet", Steele said. I imagine that's the case for many, many others.
He said the quake created a powerful back-and-forth sloshing in the bathtub and before he knew it, he'd been thrown out of the tub by the force of the waves.
Among the first images of damage to emerge was of a buckled highway ramp near the airport with a single vehicle left stranded on it.
One of the most powerful quakes ever recorded, measuring 9.2 on the magnitude scale, hit Anchorage in 1964. There are reports of collapsed bridges and roads, broken gas lines and snarled traffic in the city.