Scientists led by an Indian-origin researcher have discovered a huge underground river which, they believe, is flowing some 13000 feet beneath the mighty Amazon River in Brazil.
2011-August-Amazon-Discovery
In an amazing discovery, scientists have found signs of an underground river flowing below the Amazon.

The Amazon basin covers more than 7 million square kilometres in South America and is one of the biggest and most impressive river systems in the world. But it turns out that - until now - we have only known half the story.

Researchers at the department of geophysics of the Brazil National Observatory have showed evidence of the existence of an underground river that flows 13,000 feet beneath the Amazon.
2011-August-Amazon-Discovery
The finding came from studying temperature variations at 241 inactive oil wells drilled in the 1970s by Brazil’s state-run oil company Petrobras, the Daily Mail reported.

Researchers decided to name the underground river the Hamza, in tribute to the scientist of Indian origin Valiya Mannathal Hamza, who has been studying the region for more than four decades.

It is believed the river originates from the region of Acre and reaches the sea at Foz do Amazonas, flowing through the basins of Solimoes, Amazona and Marajo.

Even though the two rivers cover a similar path they have differences. The underground river flows at a far slower pace and empties into the ocean deep underground.

The findings were presented recently at a meeting of the Brazilian Geophysical Society in Rio de Janeiro.

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