The quake was centred 106 km South of Masset, 216 kilometres SSW of Prince Rupert.
The quake was listed by the USGS as having a depth of 10 kilometres or 6.2 miles.
No reports of damage have been relayed from residents near the quake location, and No Tsunami warning was generated by the event.
This latest quake follows on a sequence of earthquakes felt further south of Vancouver Island in recent months.
A similar magnitude earthquake was felt in much the same location on Haida Gwaii on February 9th.
For more background on past seismic events on the North Coast and Haida Gwaii see our archive page.