A 7.8 magnitude quake struck off the western coast of Haida Gwaii at around 8:10 pm Pacific Time on Saturday 27 October 2012 . This was the biggest quake in Canadian territory since 1949 . Aftershocks as large as 6.3 were reported . A 45-cm tsunami was reported locally . Alerts were sent across the Pacific Basin . This earthquake did not have any major impacts , except for the temporary cessation of the hotsprings on Hotspring Island . The spring seems to have returned to borderline nominal functioning as of July 2014
7.8 magnitude quake
2012 Haida Gwaii earthquake
Queen Charlotte Fault