The Indian Ocean "gravity hole" is the site of the deepest dent in Earth's gravitational field. It's a circular ocean region ...

In the Indian Ocean, there is a place where the laws of gravity seem to falter—a gigantic depression in the Earth’s geoid ...

New research suggests the IOGL is caused by hot, low-density mantle material rising from deep inside Earth — a hidden force shaping ocean basins ... Will this gravity hole vanish?

The Indian Ocean "gravity hole" is Earth's deepest geoid low. Its weak gravitational pull makes sea levels here 348 feet lower than average, creating a 1.2-million-square-mile anomaly southwest of ...