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Saturday, April 28, 2012

Philippines new territory : Benham rise

The United Nations has approved the Philippines’ territorial claim to Benham Rise, an undersea landmass in the Pacific Ocean potentially rich in mineral and natural gas deposits.

UN Convention on the Law of the Sea (Unclos) sent the Department of Environment and Natural Resources (DENR) a letter last week informing the agency that the landmass is part of the country’s continental shelf and territory.



Benham rise or Benham plateau is a 13 million Hectares  undersea island off the coast of Aurora province, North eastern of Luzon, An area slightly smaller than Luzon.



History

The landform is presumably named after Admiral Andrew Ellicot Kennedy Benham (1832–1905) by American surveyors who were the probable discoverers of the geological feature. He was a United States Navy officer, who served with both the South Atlantic and West Gulf Blockading Squadrons during the American Civil War. There has been speculation in the scientific community about the nature of the landform. Following the major 16 July 1990 Luzon earthquake, scientists reconsidered their fault models and decided it likely that Benham Plateau has similarly displaced the Philippine Fault System to the west. After analysing older models such as that of Pinet and Stephan (1989), scientists reconsidered their fault models. They thought that it is highly likely that the Benham Plateau is still displacing Central Luzon and the Philippine Fault System to the west, which may have had an impact in causing such a catastrophic earthquake. The 20 second to 50 second wave in the 1990 quake that developed a new east-west sub-fault was so strong that it terminated disastrously at the city of Baguio in Benguet, Cordillera. Several scientific surveys, conducted between 2004 to 2008, collected hydrographic data that determined the morphology of the seabed in the region. Additional data from international bathymetric surveys and an analysis of international research projects were collected to support the findings.

Philippines Claim

 On 8 April 2009, the Republic of the Philippines lodged a partial territorial watersclaim with the United Nations Commission on the Limits of the Continental Shelf in relation to the continental shelf in the region of Benham Rise. It was submitted as part of petition expanding the archipelago's baselines and exclusive economic zone through a law that also included other claims involving disputed territories of the Kalayaan Islands (Spratly Islands) and Scarborough Shoal. 

 (History and Philippines Claim are from wikipedia.org)

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