Mount Everest is the Tallest Mountain

Is Mount Everest the Tallest mountain?

What is the Tallest Mountain in the World?

Mount Everest has the highest elevation above sea level, the tallest mountain is Mauna Kea from the ocean floor, and Chimborazo is highest from earth’s center (due to Earth’s shape).

                                                                              

This BBC Earth documentary explores the question “is Mount Everest really to tallest mountain”, it discusses a number of semantic and geologic concepts that complicate the matter.

Altitude Versus Height Measured Base to Summit

  • Mount Everest has an elevation of 8,850 meters (29,035 feet) above sea level.
  • Mauna Kea has an elevation of 4,205 meters (13,796 feet) above sea level.

The base of Mauna Kea is about 6000 meters below sea level and the summit is about 4000 meters above sea level. The distance between the foot of the mountain and the summit is about 10,000 meters. This makes Mauna Kea the “tallest” mountain in the world.

The Chimborazo is Farthest from Earth’s Center

  • Chimborazo in Ecuador has an elevation of 6,310 meters (20,703 feet) above sea level. However it’s located 6,384 kilometers above Earth’s center making it’s peak about 2 kilometers farther from earths center than Mount Everest.

Earth isn’t a sphere, it’s an “oblate spheroid” with its widest point at its equator. Chimborazo is just one degree south of the equator. At that location it is 6,384 kilometers above Earth’s center or about 2 kilometers farther from Earth’s center than Mount Everest.

And Then There are the Details

Is Mount Everest the Tallest mountain?

Interestingly enough mountains keep growing, the sea level keeps rising, and other geological happenings keep occurring that make the semantics involved in figuring out the tallest / highest mountain difficult.


Conclusion

It’s not wrong to say Everest is the highest mountain when using language loosely, but that only applies to the “highest elevation above sea level” without the shape of the earth taken into account. Mauna Kea is taller from it’s base to peak and Chimborazo stands further away from Earth’s center due to the shape of the earth.

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