| 41. | Pinatubo plagued the country, just as if the daily brownouts were not bad enough.
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| 42. | Experts say the volcanic debris being periodically washed down Pinatubo's slopes is still hot.
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| 43. | Volcanic debris has been cascading down the slopes of Pinatubo since it erupted in June 1991.
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| 44. | Pinatubo, Tuesday, officials said.
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| 45. | Pinatubo exploded in June 1991 in one of this century's most violent volcanic eruptions.
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| 46. | Pinatubo's massive eruption in 1991 left large amounts of volcanic debris on its slopes.
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| 47. | The base was abandoned by the Americans at the height of the eruption of Mount Pinatubo.
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| 48. | Pinatubo nightmare aftermath ( Lahar ).
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| 49. | With the 1991 eruption of Mount Pinatubo, 1992 saw a cooling in the global temperatures.
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| 50. | Natib is part of the Western Bataan Lineament volcanic belt which includes the active Mount Pinatubo.
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