tsunami is a natural disaster that is not known, such as the tsunami in Aceh that destroyed buildings and killed people.
tsunami is also a wave of sea water is so great.
tsunamis can move at very high speeds and can reach land with a wave height of up to 30 meters.
Tsunamis are potentially dangerous ,even though the tsunami is not too damaging to the coastline.
earthquakes caused by seafloor movements or plate shifts that most often cause tsunamis.
In descember 2006 Indonesia experienced a devastating tsunami after an 8.9-magnitude earthquake occurred around Aceh, areas that are at high risk if large earthquakes or landslides occur near the coast.
The first wave in the series ,can reach the shore within minutes, even before a warning is issued, the area is at a greater risk if located less than 25 meters above sea level and within a few meters of the coastline.
What to do before and during the tsunami
1.Turn on the radio to see if a tsunami occurs after an earthquake around the coastal area.
2.Quickly move towards higher ground and stay there for a while.
3.Stay away from the beach. Never go to the beach to see the tsunami coming. if you can see the waves, you are too close. Immediately away.
4.Be alert - in case of low tide, stay away from the beach. This is one of the tsunami warnings and should be noted.