Three quakes shook the seabed off the coast of British Columbia overnight.
The quakes were centered about 200 miles south of Prince Rupert, well out to sea.
They ranged from 4.6 magnitude to 5.6 magnitude with first one hitting at 4:52 a.m. The other two quakes struck within 10 minutes.
"There's no direct link between the California quake and the Cascadia region here, our Pacific Northwest faults, the stuff going on up in Alaska or offshore in Canada," said Harold Tobin, director of the Pacific Northwest Siesmic Network.
Tobin said the Southern California quake was the larges quake in the lower 48 states since Washington's Nisqually Quake in 2001.
A 2.0 magnitude quake near Olympia on Friday morning as well.
There are no reports anyone felt any of the quakes.
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