![]() In deep water, a tsunami's energy is mostly located below the sea surface and the wave height is just a couple of meters. The water particles do not move, but they transfer energy to the next particle of water. An ocean wave is not moving water, but energy that is passing through water. ![]() Events such as submarine earthquakes and landslides release a colossal amount of energy that is transferred to the surrounding water. This earthquake also created submarine landslides. This caused the Eurasian plate to thrust up several meters. When the earthquake occurred outside of Sumatra, the Indo-Australian tectonic plate moved 20 meters (m) below the Eurasian tectonic plate. ![]() A tsunami is generated when a large amount of water is displaced very quickly. (Wikipedia, 2004.)īut what is a tsunami and what does an underwater earthquake have to do with creating tsunamis? Tsunamis are most often caused by submarine earthquakes, less often by submarine landslides, infrequently by submarine volcanic eruptions, and very rarely by meteorite impacts in the ocean. People onshore in Thailand surprised by a tsunami wave. ![]()
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