3 Strong Earthquakes Strike Off Vancouver Island, British Columbia

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Several strong earthquakes hit off the coast of Vancouver Island, British Columbia, on Oct. 22. USGS

Several strong earthquakes hit off the coast of Vancouver Island, British Columbia, on Oct. 22.

The strongest quake was registered as a 6.8-magnitude on the Richter scale, according to the U.S. Geological Survey (USGS). It had a depth of 6 miles.