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Mount McKinley 83ft shorter than previously thought | Mount McKinley 83ft shorter than previously thought |
(about 4 hours later) | |
The highest peak in North America has shrunk, according to new data released by US geographers. | |
Mount McKinley, located in the US state of Alaska, measured 83ft (25.29m) shorter than previously understood. | Mount McKinley, located in the US state of Alaska, measured 83ft (25.29m) shorter than previously understood. |
The mountain now stands at 20,237ft. It was was last officially measured in 1952, researchers said. | |
The US Geological Survey speculated that the reduced height could either be the result of more accurate measurement technology or of "climate differences". | |
The US Geological Survey released the data as part of the agency's effort to update all of Alaska's topographic maps. | The US Geological Survey released the data as part of the agency's effort to update all of Alaska's topographic maps. |
The new measurement was taken in 2012 using Interferometric Synthetic Aperture Radar, a technology designed to digitally track small geographic forms. | The new measurement was taken in 2012 using Interferometric Synthetic Aperture Radar, a technology designed to digitally track small geographic forms. |
The 1952 measurement put the peak at 20,320ft, a figure that has remained on topographic maps since. | The 1952 measurement put the peak at 20,320ft, a figure that has remained on topographic maps since. |
Mount McKinley, a popular mountaineering destination also known as Denali, is located in Denali National Park in the US state of Alaska. | Mount McKinley, a popular mountaineering destination also known as Denali, is located in Denali National Park in the US state of Alaska. |