Satellite recorded infrasound waves from 2011 Japan earthquake

03/12/2013 | Our Amazing Planet

Infrasound waves emanating from Japan's 2011 Tohoku earthquake were so powerful that evidence of them were recorded in space, according to a new study published in the journal Geophysical Research Letters. The European Space Agency's GOCE satellite, designed to measure changes in the Earth's gravity field, was able to track the waves twice. It was the first time the satellite has recorded infrasound in space, leaving scientists with hope that they'll be able to use the space tool to measure future ground activity on the planet.

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