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How to Tell When a Tsunami is Coming

Hello everyone! Rob Raskin of Las Vegas here, and today I’d like to talk about something that is very important if you are anywhere near the ocean—tsunamis! We’ve all seen the devastation left in the wake of tsunamis in other parts of the world on the news, and it is a true testament to the power of nature. Although a tsunami may only rise to a crest that is a few feet high, this is deceiving because the bulk of the tsunami is still lurking beneath the surface. This can make it difficult to know when one is upon you until it is too late. Learn the warning signs and be prepared!


Four Warning Signs

  • The earth is shaking – Tsunamis can be caused by earthquakes, so if you are near the shore and you feel an earthquake, it’s time to head to higher ground.
  • Sea level fluctuations- Before a tsunami hits you may observe a rapid rise or fall in the sea level. If the water quickly recedes or rises, again, it’s time to head to higher grounds.
  • An unusually large wave – If you see a wave that seems too big to be normal, it’s time to run, because when a tsunami hits the first wave will not be the largest!
  • A loud roar from the ocean – You can also detect a tsunami based on a roaring sound from offshore. If you hear something that sounds like a jet or a train coming from the ocean—run!


While there are modern warning systems that have been developed, unfortunately there are none at this time that are fast enough. If you experience any of the above signs, stay away from river valleys that may run from the ocean, and get as far away, and as high up, as you possibly can. A tsunami can last for hours, so it is crucial to avoid the beach until you have gotten an official all-clear.


Have you ever escaped a natural disaster? Tell me, Rob Raskin, your personal survival story in the comments!

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