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  • Earth's Inner Core: Depth, Structure & Composition
    The inner core of the Earth is located approximately 2,890 kilometers (1,795 miles) below the Earth's surface.

    Here's a breakdown of the Earth's structure to give you a better understanding:

    * Crust: The outermost layer, thin and rigid, ranging from 5 to 70 kilometers (3 to 43 miles) thick.

    * Mantle: The thickest layer, about 2,900 kilometers (1,800 miles) thick, mostly solid but with a partially molten layer called the asthenosphere.

    * Outer Core: Liquid iron and nickel, about 2,200 kilometers (1,367 miles) thick.

    * Inner Core: Solid iron and nickel, about 1,220 kilometers (758 miles) thick.

    So, the inner core lies beneath the crust and the mantle, and within the outer core.

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