where is the center of the worlds land mass
Geographical centre of Earth In 1973, Andrew J. Woods, a physicist with Gulf Energy & Environmental Systems in San Diego, used a digital global map and calculated the coordinates on a mainframe system as 39°00′N 34°00′E﻿ / ﻿39.000°N 34.000°E﻿ / 39.000; 34.000﻿ (Geographical centre of all land surfaces on Earth (Woods 1973)), in modern Turkey, 1,000 km north of Giza[6][unreliable source?]