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Centre for Earth Sciences

Peering inside the Earth, one quake at a time

Maven geophysicists dive deep into the Earth’s crust to find a lot more than just rocks.
Did you know that the sealevel in the Indian Ocean just south of the Indian peninsula drops down by about a kilometer? This is because the surface of the ocean there is pulled down by some deep seated structure in the Earth’s mantle. Such “gravity anomaly” also exists in the North Atlantic where the sealevel is 50 m higher than average. Attreyee Ghosh’s lab at IISc is trying to understand this, and a host of other interesting aspects about the way our Earth works.