Brent Ward, co-director of the Centre for Natural Hazards Research, says an international network is in place to determine the risk of a tsunami, sometimes within minutes of an earthquake occurring. On Tuesday, B.C. issued multiple tsunami advisories following a large earthquake in the Pacific basin near Russia. »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS Connect with CBC News Online: For breaking news, video, audio and in-depth coverage: http://bit.ly/1Z0m6iX Follow