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Tsunami: How To Alert In Time And Save Lives? - Futuris
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The ocean can be ruthless and unpredictable. Tsunamis strike without warning, taking thousands of lives. How can we spot an approaching wave in time to save people?
Outside Setubal, Portugal, scientists from a European research project are testing a device that automatically detects a rising wave to alert people on the nearby beach.
The active sonar uses acoustic waves to measure how far the sea surface is. If water is quickly approaching, that means a big wave is passing under the device.
The movement of the sonar mimics the arrival of a real tsunami typical to this region. In 1755, the city of Lisbon was destroyed by such wave, and another event of this scale is not impossible...
euronews knowledge brings you a fresh mix of the world's most interesting know-hows, directly from space and sci-tech experts.
Made by euronews, the most watched news channel in Europe.
Outside Setubal, Portugal, scientists from a European research project are testing a device that automatically detects a rising wave to alert people on the nearby beach.
The active sonar uses acoustic waves to measure how far the sea surface is. If water is quickly approaching, that means a big wave is passing under the device.
The movement of the sonar mimics the arrival of a real tsunami typical to this region. In 1755, the city of Lisbon was destroyed by such wave, and another event of this scale is not impossible...
euronews knowledge brings you a fresh mix of the world's most interesting know-hows, directly from space and sci-tech experts.
Made by euronews, the most watched news channel in Europe.
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