It's not abnormal. There have been a number of big quakes on that fault line but should there be one like we recently saw in Turkey, much of the west coast of

It's not abnormal. There have been a number of big quakes on that fault line but should there be one like we recently saw in Turkey, much of the west coast of the US and Canada would be devastated. 6+ can be a precursor to such an event. That's why I suggest it could be a nothing-burger or something to keep an eye on. If there are more quakes along that line then people should probably be ready to get to higher ground with the understanding that roads will quickly turn into parking lots.