6.6-magnitude earthquake shakes Vancouver Island coast, aftershocks recorded KIRO SeattleA 6.4 earthquake off Vancouver Island triggers alert in Western WA The Seattle TimesNorth Pacific rattled by series of earthquakes, largest measures at 6.4 magnitude KOMO News6.4M quake that struck off B.C. is part of recent ‘swarm’: agency CBC.caEarthquake of magnitude 6.4 rumbles southwestern Canada, Vancouver Island USA TODAY