A magnitude 6.2 quake hit Yukon and Alaska at about 5:30 a.m. local time today, causing power outages and shaking people awake.
The acting director of infrastructure and operations for the city of Whitehorse, Richard Graham, says inspections of major city structures found no damage.
The natural disaster was also felt in northern British Columbia.
The first quake measured 6.2 and was followed by a series of aftershocks and a second 6.3-magnitude quake almost two hours later, according to the agency.
Residents in Whitehorse have reported power outages and minor damage, but detailed information about damage and possible injuries was not immediately available.
Yukon Energy spokeswoman Janet Patterson said the first quake knocked out a substation in Whitehorse, but staff have checked equipment at several generating facilities and haven't reported any concerns.
A magnitude-6.2 quake near the Canada-Alaska border jarred people awake, including lawmakers in the state capital, and set off a series of aftershocks, including a magnitude-6.3, officials said.
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The clay cliffs overlooking downtown Whitehorse remain stable.
"I mean you could just really feel the whole ground", Revenaugh said.
"We've got reports from Haines that they felt quite a few aftershocks after the 4:30 a.m. earthquake", Ruppert said.
She arrived to find six glass pieces had broken and the damage was far less than she had feared.
"It was like an orchestra of tinkling glass but nothing else fell", she said.
The Yukon government also issued a release saying one school in Whitehorse was closed for the day while it was inspected, but Dustin Davis in Carcross, about 200 kilometres from the epicentre says the temblors weren't a problem. "Our house shook real good".
"At first I thought my fridge was not starting properly".