The Guimaras oil spill is a massive oil spill

Oil spill

An oil spill is the release of a liquid petroleum hydrocarbon into the environment, especially marine areas, due to human activity, and is a form of pollution. The term is mostly used to describe marine oil spills, where oil is released into the ocean or coastal waters...

 at the Guimaras Strait, the Philippines

Philippines

The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

 that started on August 11, 2006. It is the worst oil spill ever in the Philippines.
The oil tanker

Oil tanker

An oil tanker, also known as a petroleum tanker, is a merchant ship designed for the bulk transport of oil. There are two basic types of oil tankers: the crude tanker and the product tanker. Crude tankers move large quantities of unrefined crude oil from its point of extraction to refineries...

 M/T Solar 1, carrying more than two million liters of bunker fuel, sank on August 11, 2006 at the Guimaras Strait off the coast of the Guimaras

Guimaras

Guimaras is an island province of the Philippines located in the Western Visayas region. Among the smallest provinces, its capital is Jordan. The island is located in the Panay Gulf, between the islands of Panay and Negros...

 and Negros Occidental

Negros Occidental

Negros Occidental is a province of the Philippines located in the Western Visayas region. Its capital is Bacolod City and it occupies the northwestern half of Negros Island; Negros Oriental is at the southeastern half...

 provinces, causing some 500,000 liters of oil to pour into the strait.