Japan is right on the boundary between two plates of the Earth's crust. In this case, one plate is moving over the other one. The earthquake was caused by one plate suddenly jumping up several feet, which pushed a whole big lot of water. That water moved out in all directions, which makes it a tsunami.
japan
There is no way of knowing when the next tsunami will occur.
march 11,2011
Hawwi and japan
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
It was caused by an earthquake off the coast.
No, the earthquake in the ocean cause the water to make the tsunami
The tsunami hit Japan at approximately at 3:00pm local time of japan
Off the coast of Sendai, a city in North-Eastern Japan.
The earthquake was in the ocean which shook the water on top and crashed onto Japan. For more info go to CNN.com/Japan earthquake.
The tsunami hit Japan's northeastern islands.
Japan!