| 41. | Nearby small towns and farms, which had been blanketed by heavy ash falls began a big cleanup operation.
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| 42. | Aircraft are rerouted away from hazardous ash and people on the ground are notified of potential ash fall.
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| 43. | They checked homes to see if roofs could withstand a heavy ash fall and considering relocating some families.
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| 44. | This forest has been being affected by acid rain and ash fall from Arenal Volcano for thousands of years.
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| 45. | Civil Defense officials warned people living within 60 miles ( 100 kilometers ) downwind to expect heavy ash falls.
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| 46. | The only reported activity of Lawu took place in 1885, when rumblings and light volcanic ash falls were reported.
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| 47. | A light ash fall in the southern part of Montserrat set this tiny volcanic island on full alert Tuesday.
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| 48. | Volcanic eruptions in the area may have a negative short term effect on population size due to heavy ash fall.
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| 49. | They warned people living within 60 miles ( 100 km ) to expect heavy ash falls if they are downwind.
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| 50. | On July 18, residents reported rumblings like fleets of jet planes, unpleasant smells of sulfur and a light ash fall.
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