Seismologists get to the bottom of how deep Earth’s continents go
Analysis of seismic waves finds runny rock layer where landmass ends
By
Maria Temming
5:46pm, August 15, 2017
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. In almost every place, patterns in these waves indicated a layer of partially melted material between 130 and 190 kilometers underground.
https://www.sciencenews.org/article/seismologists-get-bottom-how-deep-earth-continents-go?mode=topic&context=60
