The U.S. Geological Service reports a 6.2-magnitude quake that hit 88 kilometres northwest of Skagway, Alaska, early Monday morning.
In Canada's Yukon Territory, about 8,000 people lost power for a short time, while damage was reported to a handful of buildings. A magnitude 5.2 quake was recorded at 4:49 a.m., and there have been more than two dozen temblors with magnitudes between 2.5 and 4.5.
When most people think of earthquakes in Alaska and British Columbia they think of large subduction zone quakes like the M=9.2 1964 Good Friday natural disaster that caused over $300 million in damage, triggered a deadly tsunami, and killed 139 people.
Seismologist Taimi Mulder of the Geological Survey of Canada said this morning from her office in Sidney, B.C. the first quake measured 6.2 and the second one measured 6.3.More news: Tad Cummins slept with teen student, his wife says
"We were shaken violently out of bed", Stanford said.
The quake was felt in Alaska's capital, Juneau, about 134 miles (216 kilometers) to the south.
Heath Scott, chief of police in Haines, about 60 miles (96.5 kilometers) southeast of the quake epicenter, said it shook a picture frame off his file cabinet.
The large aftershock struck within a few miles.More news: Nepal's top judge suspended after impeachment motion filed
She said there are reports of minor damage to homes in Whitehorse, and she has more damage reports to review.
The geological survey website has recorded almost 200 reports of people feeling the shaking. Vaughan says it would have jarred people awake and knocked items off shelves.