Valiya Hamza

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Valiya Mannathal Hamza
Born Calicut, Kerala, India
Residence Rio de Janeiro
Nationality Indian
Fields Geophysicist
Institutions Observatório Nacional
Alma mater National Geophysical Research Institute, University of Kerala, University of Western Ontario
Known for Hamza River

Valiya Mannathal Hamza is an Indian[1] scientist credited with co-discovering, together with Elizabeth Taveres Pimentel,[2] the "Rio Hamza" or Hamza River which runs underneath the much more well-known Amazon.[3] Hamza is listed as a Permanent professor in the Geophysics specialization at the Brazilian National Observatory.[4]

Early Life[edit]

Hamza did his undergraduate and postgraduate studies from University of Kerala in 1960s. He started as a Senior Scientific Assistant at the National Geophysical Research Institute in Hyderabad, India in 1966. He moved to University of Western Ontario, Canada for his PhD in 1968.[citation needed] and subsequently went to Brazil in 1974.[5]


  1. ^ "Amazon has a twin river that flows 4.000 metres below the ground". Mercopress. 2011. Retrieved 2 September 2011. 
  2. ^ "Large Underground River Flowing Beneath The Amazon Rain Forest". Geeky Gadgets. 2011. Retrieved 31 August 2011. 
  3. ^ Jha, Alok (26 August 2011). "Underground river 'Rio Hamza' discovered 4km beneath the Amazon". London: The Guardian. Retrieved 31 August 2011. 
  4. ^ "Professors and Collaborators are displayed following CAPES’ advices as well as determinations of the Technical and Scientific Council of the Observatório Nacional". Observatório Nacional. 2011. Retrieved 31 August 2011. 
  5. ^ "From Brazil to Kerala: Hamza waters run deep below Amazon". Smashits. 2011. Retrieved 31 August 2011.