Q. The lowest geoid anomaly on Earth has been identified in which Ocean?
Answer: Indian Ocean
Notes: Researchers from Bengaluru’s Indian Institute of Science (IISc) have identified the cause of an over three million square kilometres-wide ‘gravity hole’ in the Indian Ocean. It is here that the Earth’s gravitational pull is at its weakest and as a result, the sea level is a 100 metres lower than the global average. The Indian Ocean geoid low (IOGL) represents the most prominent gravitational anomaly on Earth.

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