It makes me wonder why newscasters even bother using the word tsunami when they then incorrectly use the term “tidal wave”. A tsunami is a wave caused by the disturbance of water, usually an underwater earthquake, but it could also be caused by a meteorite or glacier falling into the water. The waves that have killed to date 160,000 people had nothing (or extremely little) to do with the tides folks!
Try this link too!