The earthquake which struck west of Seattle on 28 july is just one of many types of ‘quake which can occur off the Pacific coast of the north west USA.
A major earthquake has occurred off Vancouver Island – but is this associated with the potentially devastating Cascadia subduction zone?
Western Canada was struck by a large earthquake (recorded by the United States Geological Survey as measuring M6.4 on the Richter Scale) on Friday 9 September 2011. Earthquakes in this area, and of this scale, are unusual though by no means unheard of, and inevitably attract considerable interest in the news media. The Vancouver Earthquake […]