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Seismologists get to the bottom of how deep Earth’s continents go

Analysis of seismic waves finds runny rock layer where landmass ends

hiker taking in view of mountains

ROCK BOTTOM  Earthquake vibrations are helping seismologists measure the depth of the ground we stand on.

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By Maria Temming

- More than 2 years ago

Earthquake vibrations are revealing just how deep the continents beneath our feet go.

Researchers analyzed seismic waves from earthquakes that have rocked various regions throughout the world, including the Americas, Antarctica and Africa.