A tsunami (tsoo-NAH-mee) is a series of enormous waves caused by a major disturbance of a body of water. This disturbance can be caused by earthquakes, volcanic eruptions, submarine landslides, coastal rock falls or a large asteroid impacting the ocean. Tsunamis are also known as seismic sea waves and are mistakenly called “tidal waves”.

Dependent on the distance of the tsunami from its source, it may be classified as a:


Time travel chart

 Time travel chart of - Great Lisbon (Portugal) earthquake generated tele-tsunami of 1755.  Travel time to Barbados was approximately 7 hours with wave heights of 2 metres.