Earthquake detected from space

Published in Nature, 5 Mar 2013

The earthquake that rocked Tohoku, Japan, in 2011 was so powerful that its rumble was ‘heard’ from space. Scientists in France and the Netherlands have found that sound waves from the quake reached as far as an orbiting satellite, 260 kilometres above ground.

Earthquakes make the ground resound like a giant subwoofer, generating seismic waves that travel through the Earth and, to a lesser extent, acoustic waves that travel through the air. […]

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