One occurred in 2004 in the Indian ocean.
most tsunami occur at the sea.
Tsunami waves can reach heights of over 100 feet during a tsunami event.
An earthquake caused the Sumatra Tsunami.
2004
They don't. A tsunami is an ocean wave. For a tsunami to occur, it needs a huge fetch (distance) to run. To date, the only method of creating one is major shifts in the earth, particularly around faults.
No type of cloud is associated with tusnamis, as a tsunami is not a weather-related phenonomenon. A tsunami can occur during absolutely any type of weather.
There is no way of knowing when the next tsunami will occur.
It is impossible to predict when a tsunami will occur until it actually starts.
2006
japan
Earthquake
a tsunami has to occur an a ocean because their needs to be a large body of water in order for it to be a tsunami