According to the National Tsunami Warning Center, about 200 residents of the town of Adak were evacuated to higher ground, said city manager Layton Lockett. But it wasn't immediately clear whether the earthquake caused any injuries or damage, Reuters said.
Mike West, a seismologist who serves as director of the Alaska Earthquake Center, said the earthquake was so big and deep that it triggered numerous aftershocks. The quake prompted enough shaking that it'll be picked up by seismometers throughout the world in the next 24 hours, he said.
Lockett said he and his staff were in their offices when the earthquake struck. "Oh, we felt it," the city manager said. "We felt it in length, in duration and in intensity. We were sitting there for about 20 seconds, then we went outside and it kept going and going and going."
The tsunami warning covered coastal areas of Alaska from Nikolski to Attu.
The NOAA advised there could be dangerous and widespread coastal flooding.
The tsunami warning remains in effect for the coastal areas of Alaska from Nikolski to Attu, the National Tsunami Warning Center reported. Alaska.
This is a developing story…