Earthquakes and Tsunamis
Tsunamis
Tsunami - a seismic sea wave - means in Japanese “harbor-wave”. It is also misleadingly called “tidal wave”. It is an ocean wave caused by an earthquake of magnitude 6.5 on the Richter scale (or greater) that occurs less than 50 kilometers beneath the seafloor. Tsunamis can also be caused by volcanic eruptions and by […]