tsunami
A tsunami is a series of waves caused by earthquakes or undersea volcanic eruptions. The Boxing Day tsunami would be the deadliest in recorded history taking a staggering 230000 lives in a matter of hours. About Tsunami And The Role Of Warning Systems Séisme et tsunami du 26 décembre 2004 dans locéan Indien. . Il désigne ainsi généralement un phénomène de type raz de maréeIl sagit plus précisément. Even though a tsunamis impact upon a coastline is dependent upon the tidal level at the time a tsunami strikes tsunamis are unrelated to the tides. On December 26 2004 at 759 am local time an undersea earthquake with a magnitude of 91 struck off the coast of the. On September 29 2009 a tsunami caused substantial damage and loss of life in American Samoa Samoa and Tonga. Harbour wave also called seismic sea wave or tidal wave catastrophic ocean wave usually caused by a submarine earthquake an underwater or coastal landslide or a ...