Figure 1. The structure of the Earth. Taken from: [[1], p.3]

From

Does Temperature Effects the Growth of Cracks in a Submarine Volcano That is under a Hot-spot?

M. Tsili, D. Zacharopoulos

American Journal of Mechanical Engineering. 2017, 5(2), 58-63 doi:10.12691/ajme-5-2-4