Earth’s Structure Has a Fifth Layer: Bouncing Seismic Waves Reveal Secrets of the Planet’s Inner Core

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Earth’s Structure Has a Fifth Layer: Bouncing Seismic Waves Reveal Secrets of the Planet’s Inner Core
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Data captured from seismic waves caused by earthquakes has shed new light on the deepest parts of Earth’s inner core, according to seismologists from The Australian National University (ANU). By measuring the different speeds at which these waves penetrate and pass through the Earth’s inner cor

An earthquake in Alaska causing seismic waves to penetrate the Earth’s innermost inner core. Credit: Drew Whitehouse, Son Phạm and Hrvoje Tkalčic.

Professor Hrvoje Tkalčić, also from ANU, said studying the deep interior of Earth’s inner core can tell us more about our planet’s past and evolution. “The findings are exciting because they provide a new way to probe the Earth’s inner core and its centremost region.”

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