Magnitude-6.3 aftershock shakes Canada, Alaska

A map shows the epicenter of a magnitude-3.1 earthquake that struck near San Bernardino on Sunday

KABC A map shows the epicenter of a magnitude-3.1 earthquake that struck near San Bernardino on Sunday

At least two strong earthquakes struck northern British Columbia early Monday, jolting the surrounding landscape and being felt in neighbouring Alaska and Yukon. That was followed by several smaller quakes, including one with a magnitude of 5.2 shake and another major 6.3 quake about nearly two hours after the first.

The U.S. Geological Survey says a 6.3-magnitude quake hit 85 kilometres west-northwest of Skagway, Alaska at about 7:18 a.m. local time (14:18 UTC) at the depth of 2.2 kilometres.

There were no immediate reports of damage or casualties.

The new tremor was registered at 14:18 GMT 84 kilometers (over 52 miles) northwest of United States city of Skagway.

Several Twitter users reported feeling tremors, including many in Whitehorse, about 180 kilometres away.

The quake is one of more than 13,000 recorded in Alaska this year, according to the Alaska Earthquake Centre.

There's also the potential this natural disaster could be a foreshock of a larger quake still to come, Mulder added.

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