Unraveling the Mystery of the Giant Gravity Hole in the Indian Ocean

1 min read
Source: ScienceAlert
Unraveling the Mystery of the Giant Gravity Hole in the Indian Ocean
Photo: ScienceAlert
TL;DR

Scientists have long been puzzled by a massive gravity 'hole' in the Indian Ocean, where the seafloor sinks into a depression. Two researchers from the Indian Institute of Science have proposed a new hypothesis, suggesting that the weakening of gravity in this region is caused by plumes of hot, low-density magma rising up from deep beneath the Earth's crust. Computer models of plate motion and mantle movements support this theory, indicating that these plumes, along with a distinctive mantle structure, created the geoid low. However, some researchers remain skeptical until more seismographic evidence is obtained.

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