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The original was posted on /r/todayilearned by /u/ralphbernardo on 2024-11-28 16:24:43+00:00.

Original Title: TIL there is a “gravity hole” in the Indian Ocean—where Earth’s mass is reduced, causing weaker gravitational pull and lower-than-average sea levels. This anomaly likely formed when the Tethys Ocean disappeared between India and Central Asia and forced lower-density magma closer to the surface.