It could happen very quickly. Though they rarely admit it, many British Columbians would probably be relieved if Quebec seceded. An unnerving one in three Canadians favors the use of force to seize Quebec's English and Native areas should the province leave. However, more sovereignty for British Columbia is not the answer. The province does even less for Vancouver than Ottawa does.
Elastic deformation builds up between great earthquakes if the thrust fault is locked.
Haida Gwaii Haida Gwaii is comprised of about 150 islands and is about 90 miles long. It is approximately 60 miles out to sea from mainland Canada, less than 30 miles from the southern tip of the Alaska panhandle and about 500 miles north of Vancouver, British Columbia. Here is a short version of Oregon History.