After the tsunami - (1) Follow the instructions which transmitted on the radio, television or the social media. (2) After the waves of tsunami recede, return to the areas evacuated only after getting the instructions from the government is authorities. Sometimes, even higher waves may occur afterwards. (3) Do not enter your own house if you are not sure about your safety. (4) Inform the responsible authority about the breakdown in the water, gas and clectric connections in your house.