The space of Earth with the bottom relative gravity is positioned simply south of India within the Indian Ocean. This gravity “hole” could also be attributable to low-density plumes of magma disturbed by the sinking slabs of a former tectonic plate.
Neither Earth nor its gravitational discipline are an ideal sphere. Because gravity is proportional to mass, the form of the planet’s gravitational discipline is determined by the distribution of mass inside it. One manner of representing this discipline is …
Source: www.newscientist.com