Tsunami Warnings: Some Facts, And How To Respond

VANCOUVER — Some facts on tsunamis after a warning on Tuesday caused people in communities along the coast of British Columbia to head to higher ground:What is a tsunami? Japanese for "harbour wave," a tsunami is a series of huge ocean waves caused by a rapid and large-scale disturbance of sea water. They can be caused by submarine volcanic eruptions, submarine landslides, and major earthquakes beneath the seabed.How high are tsunami waves? In deep water, the waves are less than a metre hi