When two tectonic plates move. For example one goes under another to cause water to be pushed up and more the plate moves higher the tsunami is.
The Tsunami (and most Tsunamis) are caused by earthquakes that take place deep under the seabed. The greater the severity of the earthquake, the larger, and more devastating, a Tsunami will be.
earthquakes that take place under water create a giant, deadly series of waves
Japan
2004
It is not certain.
thelargest tsunamitaken place was in tiland
2009
on america
600 miles per hour
It can take over month's for a Tsunami to recover from it's damage.
most tsunamis take place in the Pacific Ring of Fire but the can travel distances at a very fast speed so other places that are close to the ring of fire are at a risk as well
The Boxing Day Tsunami, or Indian Ocean Tsunami, occurred near Asia. The resulting destruction affected many people worldwide and many humanitarian efforts were started.