Source: http://www.cbc.ca/news/canada/british-columbia/story/2011/11/18/bc-okanagan-earthquake.html
Some residents of the south Okanagan region of B.C. were awoken by a small earthquake early Friday morning, but there are no reports of any damage.
The quake was felt in Penticton, Rock Creek, Kelowna, Grand Forks and other south-central B.C. communities, according to the Earthquake Canada website.
The quake was centred about 85 kilometres south of the Canada-U.S. border near the town of Riverside Washington, according to Jessica Turner, a geophysicist with the U.S. Geological Survey in Colorado.
“On our website people have reported it being felt in the Washington area and also up in the Canadian side,” Turner said.
“There have been reports in the cities of Penticton and Kelowna they have felt this earthquake that occurred today.”
The first measurements had the quake registering between 4.0 and 4.3. and hitting about five kilometres underground.
Natural Resources Canada later upgraded the quake to 4.3 to 4.6 magnitude.
When compared with the West Coast, the Okanagan Valley is not nearly as seismically active.
The last notable earthquake in the region was a 4.4 in 2005, but a 6.4-magnitude earthquake 300 kilometres off the west coast of Vancouver Island in September was felt by people in highrises in Kelowna.
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Seems like the people are alright, and that is a good thing.