Tweets document damage after 7.0 Alaska quake

Tsunami hazard map
The red area on this map indicates the extent of the tsunami warning about an hour and a half after a magnitude-7.0 earthquake struck Alaska. ( / NOAA Graphic)

Buildings in downtown Anchorage were damaged and roads were ruined when a magnitude-7.0 earthquake hit Alaska’s biggest city today.

The U.S. Geological Survey said the quake occurred at 8:29 a.m. Alaska time (9:29 a.m. PT) and was centered 8 miles north of Anchorage. The main quake was followed by aftershocks in the range of magnitude 4 to 5.8.

“There is major infrastructure damage across Anchorage,” the city’s police department said in an online alert. “Many homes and buildings are damaged. Many roads and bridges are closed. Stay off the roads if you don’t need to drive. Seek a safe shelter. Check on your surroundings and loved ones.”

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By Alan Boyle

Mastermind of Cosmic Log, contributor to GeekWire and Universe Today, author of "The Case for Pluto: How a Little Planet Made a Big Difference," past president of the Council for the Advancement of Science Writing.

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