After the tsunami, you will find a lot of debris, mud ruins, including the wounded, the dead and the issue of hunger and housing shortages. So plan to cope with the tsunami is planned aid after the tsunami in advance.
All that said, this is advice on how to survive a tsunami. We can see that it is prepared to events that took place there. And survive a tsunami, it is not difficult if we understand what is happening. And as a way to escape from such an event.