Earth's interior heat flux. The Earth is constantly emitting thermal energy (heat) from its interior and crust into the atmosphere and global oceans.
How much energy does the Earth give off?
Together, the energy reaching Earth's surface from the Sun and from the atmosphere is about 504 watts per square meter. Earth's surface emits about 79% of that back out. The remaining surface energy goes into evaporating water and warming the air, oceans and land.Aug 4, 2021