GRAVITY HOLE IN THE INDIAN OCEAN?

THE WEEK : ENVIRONMENT: INDIAN OCEAN GRAVITY HOLE 

Excerpt:  The Earth s basically a lumpy potato and not a sphere, study co-author Attreyeee Ghosh told CNN. Therefore, gravity is distributed unevenly around the planet.  "If you pour water on the surface of the Earth, the level that the water takes is called a geoid." determined by density differences under the surface o the Earth.  The "gravity hole" in the Indian Ocean is the "biggest low" in the geoid, Ghosh continued.

(Will the gravity hole disappear?"