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How Thick is the Mantle?

Published in Earth Science 1 min read

The Earth's mantle is approximately 2,900 kilometers (1,802 miles) thick.

Earth's Mantle: A Deep Dive

The mantle is a significant part of our planet, situated between the Earth's core and crust. It constitutes a substantial portion of Earth's volume, making up about 84 percent of the total. While predominantly solid, its semi-solid nature allows for the slow movement of tectonic plates, driving processes like earthquakes and volcanic activity.

Several sources corroborate this thickness:

It's important to note that while we can't directly measure the mantle's thickness, scientists use seismic wave data to indirectly determine its dimensions.