How thick is Earth's crust?

Answer

The crust is the most outer layer of the Earth. Underneath the ocean where the crust is thinner it averages between 4-6 miles thick. On continents the average thickness of the Earth's crust is 20-25 miles thick. You can find more information here: http://mediatheek.thinkquest.nl/˜ll125/en/crust.htm
Q&A Related to "How thick is Earth's crust?"
The thickness of Earth's crust ranges from roughly 2 miles at the mid-ocean ridges to 70 miles in thickness under some continental mountain ranges, with an average overall depth of
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The Continental crust is thicker than the Oceanic crust, about 19 miles(30 km)
http://www.chacha.com/question/how-thick-is-the-ea...
The first crust is about 4-7 miles (6-11 km) thick and mainly consists of heavy rocks, like basalt.
http://www.kgbanswers.com/how-thick-is-the-earth-c...
. Earth's Crust, Lithosphere and Asthenosphere This drawing shows the Earth's lithosphere (crust and upper mantle) on top of the asthenosphere. ... are made up of the Earth's crust
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