While normal waves are caused by the winds as well as the Moon and the Sun, a Tsunami arisearises from the sudden displacement of gigantic water masses due to earthquakes on the sea bed, Volcanic eruptionvolcanic eruptions above and under water, landslides or meteorite impacts. About 86 % of all Tsunamis result from so-called seaquakes.
In order for a tsunami caused by a seaquakes to occur, three things have to be happen:
1: The Earthquake must measure at least 7,0 on the Richter scale. Only from this intensity upwards is there enough energy released to rapidly displace enough water to create the tsunami.
2: The sea bed must be lifted or lowered by the earthquake. If the sea bed is displaced sidewards, no tsunami will occur as
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