A 6.6 magnitude earthquake has rocked buildings in Anchorage and caused lamp posts and trees to sway, prompting people to run out of offices and seek shelter under office desks.
The U.S. Geological Survey said the earthquake Friday morning was centred about 12 kilometres north of Alaska’s largest city.
The USGS initially said it was a 6.7 magnitude quake but reduced it to 6.6.
The National Tsunami Warning Center has issued a tsunami warning for coastal zones of southern Alaska.
A Magnitude 7.2 earthquake has been reported 10 miles NE of Anchorage AK. A #Tsunami Warning is in effect for Cook Inlet, but a tsunami IS NOT expected to affect Washington or British Columbia. See https://t.co/mTb3TJMfIN
for details. #wawx
People went back inside buildings after the earthquake, but a smaller aftershock a short time later sent them running back into the streets again.
An Associated Press reporter working in downtown Anchorage saw cracks in a 2-storey building after the quake. It was unclear whether there were injuries.
The National Weather Service Seattle tweeted a tsunami warning is in effect for Cook Inlet, but it is not expected to affect Washington or B.C.