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What Causes tsunamis?
Not all earthquakes produce tsunamis. Even though a majority of the tsunamis are instigated by the earthquakes, not all the times the waves are generated because of it.
Under-sea earthquakes are the most common cause for tsunamis. 75% of the tsunamis are caused by this. Volcanic eruptions cause 5% of total tsunamis. Undersea landslides also trigger 8% of tsunamis making it harder to predict giant waves. Adverse effect of climatic changes is also the main cause for tsunamis. Geologists believe that global warming is causing more earthquakes and thereby is triggering tsunamis. 2% of tsunamis are occurring because of this reason. Geologists are unable to find out the reason of tsunamis in 10% occasions.
