A magnitude 6.4 earthquake has struck off the northwest coast of Vancouver Island, officials at the Pacific Geoscience Centre have confirmed, but there are no reports of damage or tsunami warnings. % s, S* e8 v: E( g' ^) B 1 Q) N& C9 P. U9 Z8 zInitial reports estimated the quake was as large as magnitude 6.8, but those estimates were later downgraded to 6.4. - N+ E; G x+ ~. p; G" l / Z- o; M4 z! v. o/ c# I% ePeople report buildings swaying for several minutes from the Fraser Valley to Campbell River at around 12:41 PT p.m., but there are no reports of damage.