A magnitude 5.8 earthquake shook the ocean floor off the coast of Vancouver Island Thursday morning.

The US Geological Survey reported the quake was detected just before 9 am about 8 kilometres below the surface. It was about 230 kilometres southwest of Port Hardy.

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The USGS rated the quake as 6.0, but Natural Resources Canada pegged it as slightly weaker at 5.8.

Natural Resources Canada’s website says a 5.8 to 6.0 magnitude quake can cause major damage to poorly constructed buildings over small regions, but at most will only slightly damage well-designed buildings.

Did you feel the quake this morning? Let us know in the comments.