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You are here: Home / Universe / What Is the Depth of the Earth from Its Surface to Its Core?

What Is the Depth of the Earth from Its Surface to Its Core?

April 17, 2020 by Karen Hill

The center of the earth is thought to contain a core of solid iron with a radius of about 850 miles. Surrounding this central core is an outer core of liquid iron, about 1,200 miles thick.

And surrounding this outer core is the earth’s mantle, which is about 1,800 miles thick. The crust of the earth, which surrounds the mantle, ranges from only 4 to 45 miles thick.

So, from the surface of the earth to its outer core the distance is roughly 1,825 miles; from the surface to the inner core, it’s 3,025 miles; and from the surface to the very center, about 3,900 miles.

Related Facts

  • Who Discovered the Earth’s Core and Mantle and Which part of the Earth is liquid?
  • What Is Planet Earth Made Of and How Many Layers Does the Earth Have Under the Surface?
  • How Is the Earth Like an Onion?
  • How Far Is It To the Center of the Earth and How Hot Is the Inner Core of the Earth?
  • How do astronomers know how far away stars and galaxies are from earth?
  • Why Does Gravity Try To Attract All Things To the Center of Earth?

Filed Under: Universe

About Karen Hill

Karen Hill is a freelance writer, editor, and columnist. Born in New York, her work has appeared in the Examiner, Yahoo News, Buzzfeed, among others.

Previous Post: « Is the Grand Canyon the Deepest Gorge on Earth?
Next Post: How Big Is a Lightning Bolt? »

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