In the Indian Ocean, there is a place where the laws of gravity seem to falter—a gigantic depression in the Earth’s geoid where the gravitational force is weaker than normal, causing the sea level to ...

I have highlighted the five layers on the box titled “NAPGD2022 Interactive Online Map” – GEOID2022, SDEFLEC2022, GRAV2022 (RBA), Geoid Differences, and NAPGD2022 Differences. NAPGD2022 interactive ...

Known as the Indian Ocean gravity hole, or geoid low, it was first discovered in 1948 by Dutch geophysicist Felix Andries Vening Meinesz, who developed one of the earliest gravimeters for ...