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Height above mean sea level is a measure of a location's vertical distance (height, elevation or altitude) in reference to a vertical datum based on a historic mean sea level. In geodesy, it is formalized as orthometric height. The zero level varies in different countries due to different reference points and historic measurement periods.
Pressure as a function of the height above the sea level. The human body can perform best at sea level, [7] where the atmospheric pressure is 101,325 Pa or 1013.25 millibars (or 1 atm, by definition). The concentration of oxygen (O 2) in sea-level air is 20.9%, so the partial pressure of O 2 (pO 2) is 21.136 kilopascals (158.
This list of the highest cities in the world includes only cities with a population greater than 100,000 inhabitants and an average height above sea level over 2,000 metres (6,600 ft). This list is incomplete ; you can help by adding missing items .
sea level 361 m 1,184 ft Clipperton Island: Rocher Clipperton: 29 m 95 ft North Pacific Ocean: sea level 29 m 95 ft Cocos (Keeling) Islands: South Island: 9 m 30 ft Indian Ocean: sea level 5 m 16 ft Colombia: Pico Cristóbal Colón [l] Pico Simón Bolívar: 5730 m 18,799 ft North Pacific Ocean Caribbean Sea: sea level 5730 m 18,799 ft Comoros
2,405 ft 733 m Gulf of Mexico: 3 sea level: 41 500 ft 150 m 38 2,405 ft 733 m Alaska [g] Denali [6] [h] 1 20,310 ft 6190.5 m Gulf of Alaska, Bering Sea, and Arctic Ocean: 3 sea level: 15 1,900 ft 580 m 1 20,310 ft 6190.5 m
5,100 metres (16,700 ft) La Rinconada Peru [1] The highest in the world according to National Geographic Magazine in May 2003 when it had 30,000 inhabitants, rising to 50,000 inhabitants in 2012 but shrinking to 9,746 inhabitants as of the 2017 census. It is 5,052 m (16,575 ft) above sea level according to the INEI in Peru. [2]
This is a list of cities in the United States by elevation.To be included on the list, a place needs to be an incorporated municipality (i.e. a city, town, or village) and it needs to be at an elevation of 3,000 feet (914 m) or higher.
Still, heights or prominences may be revised, so that the order of the list may change and even new mountains could enter the list over time. To be safe, the list has been extended to include all 7,200 m (23,622 ft) peaks. The highest mountains above sea level are generally not the highest above the surrounding terrain.