Study maps megathrust quake zone off northern B.C., but risk may be far in future The plate boundary that extends from the southern tip of Haida Gwaii to southeast Alaska was the site of Canada's ...

The friction created by subduction is what creates megathrust conditions, according to UBC professor and study co-author Michael Bostock. "For most of its length, the Queen Charlotte plate boundary is ...

The western coast of Haida Gwaii has been the site of four earthquakes of 7.0 magnitude or more in the past century, including the largest in recorded Canadian history in 1949 that registered 8.1 ...