Small tremor shakes Washington state coast Vancouver, BC, Canada / News Talk 980 CKNW | Vancouver's News. Vancouver's Talk CKNW News Staff Posted: May 07, 2015 02:27 am A small 3.4 magnitude earthquake just struck 20km ESE of Mount Vernon, Washington. It happened around 1:45 Thursday morning. No word on damage. According to the U.S. Geological Survey the epicenter was 95km east of Victoria, B.C.