| 31. | After passing Manila, the storm was expected to threaten several northern provinces surrounding the Mount Pinatubo volcano.
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| 32. | In 1991, Clark Air Base in the Philippines was evacuated due to the eruption of Mount Pinatubo.
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| 33. | As it crossed Luzon, Sharon caused flooding and released mudflows from Mount Pinatubo, killing two people.
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| 34. | It was warm from the heat still trapped in the volcanic debris from Mount Pinatubo's 1991 eruption.
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| 35. | The United States abandoned the base in 1991 when it was badly damaged by the eruption of Mount Pinatubo.
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| 36. | Several areas, including those near Mount Pinatubo and regions affected by a record number of typhoons in 1995.
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| 37. | Officials were on alert to evacuate villagers away from swollen rivers washing down the slopes of Mount Pinatubo volcano.
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| 38. | The administration also faced a series of natural disasters, including the eruption of Mount Pinatubo in June 1991.
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| 39. | "' VEI 6 "'eruptions occurred at Krakatoa in 1883 and Mount Pinatubo in 1991.
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| 40. | The Lubao-Sasmuan River was one of the ecosystems heavily affected when Mount Pinatubo erupted 20 years ago.
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