There are Earthquakes, Volcanoes, Floods, Fires and Avalanches. Then there are Tsunamis, The often overlooked stress relief system of the earth. Tsunamis are huge waves often called Tidal Waves but they have nothing to do with the diurnal pattern of high and low tides.
Tsunami is a Japanese word used as the scientific term for seismic sea wave, a large ocean wave caused by an undersea earthquake.
One theory is that the waves are triggered when the ocean floor is tilted or offset during an earthquake. Another possible cause is an undersea landslide or volcanic eruption. …
