Tagged With tsunamis

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Video: Tsunamis are very probably the scariest natural disaster out there because they ravage everything in their path. But learning about how big they can get makes tsunamis even scarier. It's just ridiculous. It's like skyscraper big, man.

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Mars once featured a vast ocean that covered its northern hemisphere. New evidence suggests this Martian sea experienced at least two "mega-tsunamis" that were triggered by meteor impacts. Traces of these cataclysmic events can still be seen on the Martian surface, and they could still contain traces of ancient life.

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The threat of a tsunami is a very real thing for much of the Pacific coastline, yet many cities in the US haven't taken specific infrastructural measures to ensure their residents are safe when they happen. A new building in Washington will have the first purpose-built tsunami shelter in the country, offering accessible safety in a second-story room.

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Waves come from the wind so tsunamis, which are basically bigger waves, must come from more wind, right? Not exactly. This cute animation explains that though normal waves are formed from above, tsunamis come from below from volcanic eruptions, landslides and earthquakes. They're the real monsters of the sea.

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Deploying the improved infrastructure that will hopefully help prevent future tsunamis from devastating Japan is an expensive endeavour. So researchers are developing new and cheaper ways to protect the country, like this innovative floodgate that deploys automatically when waters come rushing in — no power or human operators required.