“A geoid low or negative geoid anomaly would be caused by a mass deficit within the deep mantle,” Ghosh says.. “Our study explains this low with hotter, lighter material stretching from a ...

“But the geoid low in the Indian Ocean is one of the most profound gravitational anomalies on our planet.” The gravity hole likely took its current shape about 20 million years ago and will ...

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.

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.

The ground may feel steady underfoot, but the planet is always in motion. While satellites and sensors have mapped the ...