The Aberfan disaster was the catastrophic collapse of a colliery spoil tip at around 9: 15am on 21 October 1966. 116 children and 28 adults were killed as it engulfed Pantglas Junior School and other buildings. The tip had been created on a mountain slope above the Welsh village of Aberfan, near Merthyr Tydfil. A period of heavy rain led to a build-up of water within the tip which caused it to suddenly slide downhill as a slurry.
About Aberfan disaster in brief

The remaining tips were removed only after a lengthy fight by Aberfan residents, against resistance from theNCB and the government on the grounds of cost. The first spoil from the coal mine was deposited on the valley’s lower slopes, east of the canal, but during the 1910s the first tip was started on the western slopes, above the canal line and the village. By 1966 its population had grown to approximately 5,000, most of whom were employed in the coal industry. The NCB’s chairman, Lord Robens, was criticised for making misleading statements and for not providing clarity as to thencB’s knowledge of the presence of water springs on the hillside. At the time, the tip was partly based on ground from which water springs emerged, and they had been marked on Ordnance Survey maps and Geological Society maps. Tip 4 had been started on boggy ground between 1933 and 1945, which was large and was used between the two streams, and had been used between 1874 and 1945. Tip 7 was the only one being used in 1966, it contained 297,000 cubic yards of spoil, which included tailings and ashwaste from the chemical extraction of coal, which took on similar properties to quicksand. It included 111 feet high, and it included 30,000 yards of tailings of coal and ash particles of fine particles of which the fine particles were of similar properties of which it took on.
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This page is based on the article Aberfan disaster published in Wikipedia (as of Nov. 30, 2020) and was automatically summarized using artificial intelligence.






