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Mapanuepe Lake
Mapanuepe Lake is a freshwater lake located in the province of Zambales in the Philippines. The lake was created after the cataclysmic eruption of Mount Pinatubo in 1991. Lahars following the eruption blocked the drainage of Mapanuepe River, south of the volcano, flooding Mapanuepe Valley together with its settlements. Only the steeple of the church protruding out of the water remained on one of the villages.〔("The 1991 Lahars of Southwestern Mount Pinatubo and Evolution of the Lahar-Dammed Mapanuepe Lake" ). U.S. Geological Survey. Retrieved on 2011-06-17.〕
==History==
Mapanuepe lake is located at the confluence of Marella and Mapanuepe Rivers as the two rivers merge to become the Santo Tomas River. The subsequent rains following the 1991 eruption of Mount Pinatubo produced lahar that dumped volcanic debris on the Marella River, one of the major drainages of the mountain, aggrading the river that eventually dammed the Mapanuepe River. The rising waters submerged the Mapanuepe Valley including the barangays of Aglao (lower), Buhawen and Pili of San Marcelino, Zambales. During the development of the lake, breaching and reforming of the debris dam occurred following each lahar episode. At its maximum extent, the lake grew to an area of and had a stored water volume of 75 x 106 cubic meters () before reaching its current state. The only structure that remains is a church tower with a huge metal cross right in the middle of the lake. Prior to the 1991 eruption, studies of geologic formations and sediments of Mapanuepe Valley showed that the area was the site of a similar lahar-formed lake from old eruptions.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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