In Indonesia, we are very familiar with the word " Tsunami ". This natural disaster has ever killed thousands of lives in Banda Aceh a few years ago. Indonesia mourned, the world mourned. Then, how the Tsunami happens? Here is a brief explanation of the process of how the Asian tsunami happens.
Tsunamis can occur if there is a phenomenon which causes the displacement of large amounts of water in the ocean, such as volcanic eruptions, earthquakes, landslides, and meteors that fall to Earth. However, 90% of tsunamis is the result of underwater earthquakes.
Vertical movement in the Earth's crust in the bottom of the ocean causes a sudden up or down movement of sea floor which then causes the water balance disorders above it. This disturbance causes the occurrence of the flow of the massive sea water energy, that once it reaches the shore, it becomes huge waves resulting Tsunami.
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