The Indian Ocean geoid low (IOGL) is a 1.2 million-square-mile (3 million square kilometers) depression found 746 miles (1,200 kilometers) southwest of India.

Officially known as “the Indian Ocean geoid low” (IOGL), it is informally referred to as the Indian Ocean gravity hole. At the IOGL, the sea level dips by a staggering 328 feet (100 meters ...

The Indian Ocean "gravity hole" is a fascinating anomaly in Earth's gravitational field, marked by a region where sea levels are 348 feet (106 meters) lower than average due to an unusually weak ...

Map of ancient ocean ‘dead zones’ could predict future locations, impacts Peer-Reviewed Publication. North Carolina State University ...

A vast expanse of the Indian Ocean is a staggering 100 meters lower than the global average sea level because of a major dip in Earth’s gravity. Scientists now think they know the cause ...