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In 1918, the United States Coast and Geodetic Survey found this location by balancing on a point a cardboard cutout shaped like the U.S. [10] This method was accurate to within 20 miles (32 km), but while the Geodetic Survey no longer endorses any location as the center of the U.S., the identification of Lebanon, Kansas, has remained. [9] [5]
The exact geographic center of the U.S. Virgin Islands is unknown — the default center starting point for the U.S. Virgin Islands on Google Maps is located in the Caribbean Sea, [15] 18.21 miles (29.30 km) south-southeast of Saint Thomas and 18.31 miles (29.47 km) north of Saint Croix — note that this point is the approximate center of the ...
The United States Coast and Geodetic Survey established a triangulation station, officially known as the Meades Ranch Triangulation Station, in 1891.The location lay near the intersection of two transcontinental arcs of triangulation: one running from the Atlantic to the Pacific Ocean, roughly following the 39th parallel; the other running from Mexico to Canada, along the 98th meridian.
Its antipodal point is correspondingly the farthest point from everyone on earth, and is located in the South Pacific near Easter Island, with a mean distance of 15,000 kilometers (9,300 mi). The data used by this figure is lumped at the country level, and is therefore precise only to country-scale distances, larger nations heavily skewed.
By total area (water as well as land), the United States is either slightly larger or smaller than the People's Republic of China, making it the world's third or fourth-largest country. Both countries are smaller than Russia and Canada in total area but are larger than Brazil. By land area only (exclusive of waters), the United States is the ...
553.33 meters – height of the CN Tower, [133] the tallest structure in North America; 555 meters – longest wavelength of the broadcast radio AM band, 540 kHz; 630 meters – height of the KVLY-TV mast, one of the tallest structures in the world; 646 meters – height of the Warsaw radio mast, the world's tallest structure until its collapse ...
Earth radius (denoted as R 🜨 or R E) is the distance from the center of Earth to a point on or near its surface. Approximating the figure of Earth by an Earth spheroid (an oblate ellipsoid), the radius ranges from a maximum (equatorial radius, denoted a) of nearly 6,378 km (3,963 mi) to a minimum (polar radius, denoted b) of nearly 6,357 km (3,950 mi).
Unnamed location: 3 m 10 ft Indian Ocean: sea level 3 m 10 ft Australia: Mount Kosciuszko [d] 2228 m 7,310 ft Lake Eyre: −15 m −49 ft: 2243 m 7,359 ft Austria: Grossglockner: 3798 m 12,461 ft Lake Neusiedl: 115 m 377 ft 3683 m 12,083 ft Azerbaijan: Mount Bazardüzü: 4466 m 14,652 ft Caspian Sea: −28 m −92 ft: 4513 m 14,806 ft Bahamas