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Tsunamis could telegraph their imminent arrival

Telecommunication cables may warn of giant waves

By
2:06pm, January 22, 2010

WARNING STOP. INCOMING TSUNAMI STOP. Giant waves might one day send scientists such an underwater telegram via telecommunication cables on the ocean floor.

Ocean water interacting with Earth’s magnetic field could create strong enough signals in the underwater cables to alert scientists that a tsunami is on the way, a paper in the February Earth, Planets and Space argues.

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