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The Aberfan Disaster: Catastrophic Coal Tip Collapse that Killed 144 People in Wales, 1966

On October 21, 1966, the small village of Aberfan in South Wales experienced a tragedy that would forever change its history. The Aberfan Disaster was one of the most heartbreaking events in Welsh history, claiming the lives of 144 people, most of them children. This disaster was caused by the collapse of a colliery spoil tip, a pile of waste material from the local coal mine, which slid down a mountainside and engulfed Pantglas Junior School and several houses.

The Setting of Aberfan

Aberfan was a mining village located near the Merthyr Vale Colliery, a coal mine that had been in operation since the late 1800s. The village was home to many miners and their families. Coal mining was the main source of employment and income in Aberfan. The Merthyr Vale Colliery had several spoil tips where waste material from the mining process was dumped. One of these tips, Tip Number 7, was located on a hillside above the village. This tip contained a mixture of shale, sandstone, and other waste materials from the mine.

The Build-Up to the Disaster

In the days leading up to the disaster, heavy rain had been falling in Aberfan. The rainwater had seeped into the spoil tip, making it unstable. Residents of the village had expressed concerns about the stability of the tips for years. They had noticed small landslides and movements in the spoil heaps. However, their concerns were largely ignored by the National Coal Board (NCB), the organization responsible for the coal mines and spoil tips.

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On the morning of October 21, 1966, the rain continued to fall. At 9:15 AM, a massive section of Tip Number 7 gave way. More than 150,000 cubic meters of debris began to slide down the hillside. The slurry of coal waste moved quickly, gaining speed and force as it descended. The residents of Aberfan had little warning of the impending disaster.

The Impact on Pantglas Junior School

Pantglas Junior School was located at the base of the hillside, directly in the path of the sliding spoil tip. The school day had just begun, and the children were in their classrooms. As the avalanche of waste approached the village, it struck the school with immense force. The walls of the classrooms were no match for the powerful surge of debris. Within seconds, the classrooms were filled with thick sludge, trapping students and teachers inside.

The disaster claimed the lives of 116 children and 28 adults. Many of the children who perished were between the ages of 7 and 10. The village of Aberfan was plunged into mourning. Parents, relatives, and rescue workers frantically dug through the debris, hoping to find survivors. Sadly, few were found.

The Immediate Aftermath

The response to the disaster was swift. Local miners, police officers, firefighters, and volunteers rushed to the scene to assist in the rescue efforts. Despite their best efforts, the scale of the destruction made it difficult to save those trapped beneath the rubble. The sight of the ruined school and the grief-stricken parents became etched in the memories of all who witnessed the scene.

News of the disaster spread quickly, and soon, the entire nation was aware of the tragedy. Messages of sympathy and offers of assistance poured in from across the United Kingdom and beyond. The government launched an inquiry into the cause of the disaster, seeking to understand how such a catastrophe could have occurred.

The Tribunal of Inquiry

The Tribunal of Inquiry into the Aberfan Disaster was set up to investigate the causes and responsibilities associated with the disaster. The inquiry, chaired by Lord Justice Edmund Davies, began its proceedings on November 2, 1966. The tribunal heard testimonies from a wide range of witnesses, including residents, experts, and officials from the National Coal Board.

The inquiry revealed that the disaster was not a natural occurrence but rather a man-made catastrophe. It was found that the National Coal Board had been aware of the instability of Tip Number 7 for several years. The NCB had ignored warnings and failed to take action to prevent the disaster. The inquiry concluded that the NCB was responsible for the disaster due to its negligence and disregard for safety.

The Role of the National Coal Board

The National Coal Board was heavily criticized for its role in the disaster. The inquiry report stated that the NCB had shown “bungling ineptitude” and a “lamentable lack of foresight.” The organization had failed to conduct proper assessments of the spoil tips and had ignored the concerns of the villagers. The inquiry’s findings led to significant changes in the regulation and management of spoil tips and mining operations across the UK.

The NCB was ordered to pay compensation to the families of the victims and to the village of Aberfan. However, the process of compensation was slow and often insufficient. The grief and anger of the community were compounded by the NCB’s inadequate response to their needs.

Despite the immense loss and grief, the community of Aberfan support one another in the wake of the disaster. Memorial services were held, and a fund was established to help the families affected by the tragedy. The Aberfan Disaster Memorial Fund received donations from around the world, providing financial assistance to the bereaved families and helping to rebuild the community.

In the years following the disaster, Aberfan continued to remember and honor those who lost their lives. Memorials were erected, and annual remembrance services were held to ensure that the victims were never forgotten. The disaster had a lasting impact on the village, but it also demonstrated the strength and solidarity of the Aberfan community.

The Aberfan Disaster had far-reaching consequences beyond the village itself. It led to significant changes in the regulation and management of coal mining operations in the UK. The government introduced stricter safety regulations and established new procedures for the assessment and management of spoil tips. These measures were designed to prevent similar tragedies from occurring in the future.

The disaster also highlighted the importance of listening to and addressing the concerns of local communities. The voices of the Aberfan residents had been ignored, with tragic consequences. The inquiry emphasized the need for greater accountability and responsiveness from organizations like the National Coal Board.

Today, the memory of the Aberfan Disaster remains strong. The village has preserved the stories of those who were lost and the lessons learned from the tragedy. The Aberfan Memorial Garden stands as a poignant reminder of the lives cut short and the enduring spirit of the community. Visitors to Aberfan can pay their respects and learn about the disaster through the memorials and exhibits that commemorate this devastating event.

#1 So far 107 bodies, including 100 children, have been recovered from the wreckage of the crushed village school, 1966.

#2 The death toll in the Aberfan disaster rose to 116 bodies, only seven of them adults, recovered from the school, 1966.

#3 The scene at Aberfan, Glamorgan, after a man-made mountain of pit waste slid down onto Pantglas School and a row of housing, killing 116 children and 28 adults, 1966.

#4 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#5 The Aberfan disaster was a catastrophic collapse of a colliery spoil tip in the Welsh village of Aberfan, near Merthyr Tydfil, caused by a build-up of water in the accumulated rock and shale, which suddenly started to slide downhill and engulfed the Pantglas Junior School, 1966.

#6 Onlookers in the town of Aberfan look shocked and bewildered as the rescue effort at the Pantglas Junior School continues, 1966.

#7 Local men and the emergency services hastily dig through the mud for survivors at the Pantglas Junior School, 1966.

#8 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#9 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#10 Nearly 200 Aberfan children returned to school and stood in silent tribute to their 116 friends who died in the tip disaster, 1966.

#11 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#12 The digging stops as another body is brought from the shattered Pantglas Junior School following the catastrophic collapse of a colliery spoil tip in the Welsh village of Aberfan, killing 116 children and 28 adults, 1966.

#13 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#14 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#15 Emergency services and miners on the hillside where the mud slid from, 1966.

#16 Local men and the emergency services hastily dig through the mud for survivors at the Pantglas Junior School, 1966.

#17 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#18 An aerial picture shows the town of Aberfan below, the mud slide, and how the mud destroyed the school and houses, 1966.

#19 Local emergency services and miners travel high up onto the hillside, to put up sandbags along the route of the mud slide, 1966.

#20 Local men and the emergency services hastily dig through the mud for survivors at the Pantglas Junior School, 1966.

#21 The Aberfan disaster was a catastrophic collapse of a colliery spoil tip in the Welsh village of Aberfan, near Merthyr Tydfil, caused by a build-up of water in the accumulated rock and shale, which suddenly started to slide downhill and engulfed the Pantglas Junior School, 1966.

#22 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#23 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#24 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#25 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#26 A bonfire is made near to where the mud slide has come to a halt, to burn the wood and wreckage of the school and local houses, 1966.

#27 An aerial picture shows the Pantglas Junior School, collapsed under the weight of mud, and the many villagers and emergency services helping to free trapped children and adults, 1966.

#28 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#29 Two young school girls watch anxiously in bewilderment and disbelief as the rescue effort for survivors at the Pantglas Junior School frantically goes on, 1966.

#30 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#31 Local villagers, families, young and old look on in horror towards the school and scene of devastation, waiting for news, 1966.

#32 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#33 Local men and the emergency services hastily dig through the mud for survivors at the Pantglas Junior School, 1966.

#34 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#35 Miners take a short well earned break for a sit down, a hot drink, cigarette and to gather their thoughts as the rescue effort carries on behind them, 1966.

#36 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#37 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#38 Local villagers, including a young mum carrying her child, are shocked and look on in bewilderment as the rescue effort at the Pantglas Junior School carries on, 1966.

#39 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#40 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#41 Rescue workers force their way into the crushed school building amidst the debris, 1966.

#42 Local men and the emergency services hastily dig through the mud for survivors at the Pantglas Junior School, 1966.

#43 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#44 Local men, emergency services all dig for possible signs of life at the Pantglas Junior School, which has collapsed in a catastrophic mud slide, 1966.

#45 A bonfire is made near to where the mud slide has come to a halt, to burn the wood and wreckage of the school and local houses, 1966.

#46 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#47 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#48 An elderly lady is helped and consoled as she is lead away to safety in the village of Aberfan, 1966.

#49 An aerial picture shows the disaster scene at Aberfan, South Wales, 1966.

#50 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#51 Men line up to pass sandbags filled with the hillside mud, away from the disaster zone, 1966.

#52 Policeman Victor Jones carries a little girl from the wrecked school as woman anxiously looks to see if she can recognise her, 1966.

#53 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#54 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#55 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#56 A police woman and policeman trying to restore some calm and order in the village as the rescue effort goes on, 1966.

#57 The Aberfan disaster was a catastrophic collapse of a colliery spoil tip in the Welsh village of Aberfan, near Merthyr Tydfil, caused by a build-up of water in the accumulated rock and shale, which suddenly started to slide downhill and engulfed the Pantglas Junior School, 1966.

#58 Emergency services and miners on the hillside where the mud slid from, 1966.

#59 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#60 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#61 The disaster scene at Aberfan, South Wales, 1966.

#62 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#63 Shocked onlookers look towards the school and the mud and devastation caused when mining spoil from the hillside engulfed the Pantglas Junior School, 1966.

#64 A lady from The Salvation Army consoles an elderly lady who is distraught at the unfolding events in Aberfan, 1966.

#65 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#66 The Aberfan disaster was a catastrophic collapse of a colliery spoil tip in the Welsh village of Aberfan, near Merthyr Tydfil, on 21 October 1966, engulfing the Pantglas Junior School in Moy Road, killing 116 children and 28 adults, 1966.

#67 Miners, villages and emergency services on the roof of the Pantglas Junior School, hoping for signs of life below, 1966.

#68 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#69 Local men and the emergency services hastily dig through the mud for survivors at the Pantglas Junior School, 1966.

#70 Children on the hillside overlooking Aberfan watch as a bonfire is made near to where the mud slide has come to a halt, to burn the wood and wreckage of the school and local houses, 1966.

#71 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#72 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#73 Local men and the emergency services hastily dig through the mud for survivors at the Pantglas Junior School, 1966.

#74 An aerial picture shows the town of Aberfan below, the hill and mud slide, and how the mud destroyed the school and houses in the town below, 1966.

#75 Landslides, disaster, school engulfed by coal tip killing children and teachers buried in the school and surrounding area, 1966.

#76 An aerial picture shows the Pantglas Junior School, collapsed under the weight of mud, and the many villagers and emergency services helping to free trapped children and adults, 1966.

#77 Local emergency services and miners travel high up onto the hillside, to put up sandbags along the route of the mud slide, 1966.

#78 A bonfire is made near to where the mud slide has come to a halt, to burn the wood and wreckage of the school and local houses, 1966.

#79 Local men and the emergency services hastily dig through the mud for survivors at the Pantglas Junior School, 1966.

#80 A bonfire is made near to where the mud slide has come to a halt, to burn the wood and wreckage of the school and local houses, 1966.

#81 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#82 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#83 Local men and the emergency services hastily dig through the mud for survivors at the Pantglas Junior School, 1966.

#84 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#85 Local men and the emergency services hastily dig through the mud for survivors at the Pantglas Junior School, 1966.

#86 At the Pantglas Junior School, local villagers and emergency services help each other to move wood and obstacles out of the way, hoping to reach those stranded in the mud slide, 1966.

#87 An aerial picture shows the top of the mountain and the mining spoil that has run down the hillside destroying the school and part of the town, 1966.

#88 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#89 Local men, emergency services all dig for possible signs of life at the Pantglas Junior School, which has collapsed in a catastrophic mud slide, 1966.

#90 Mud and devastation caused by mining spoil from the hillside engulfing the Pantglas Junior School, 1966.

#91 Shocked onlookers look towards the school and the mud and devastation caused when mining spoil from the hillside engulfed the Pantglas Junior School, 1966.

#92 Local villagers help each other, ferrying each other in whatever vehicles they can to deliver supplies and get people to safety, 1966.

#93 Local people in Aberfan gather in mass to watch the news reports of the Aberfan disaster, 1966.

#95 An aerial view of the scene of the disaster where a sea of mud and coal dust smashed through the school and a row of houses, 1966.

#98 A general view at the cemetery during the funeral of 82 disaster victims, 1966.

#101 Mourners walk through the streets on their way to the cemetery to attend the mass funeral for victims of the Aberfan mud slide disaster, 1966.

#102 The huge cross of wreaths on the Aberfan hillside cemetery as the funerals take place, 1966.

#103 Queen Elizabeth II with her husband the Duke of Edinburgh and the Mayor of Martyrs Tydfill visit Aberfan, 1966.

#104 The Aberfan hillside cemetery as the mass funerals take place, 1966.

#107 The Queen visiting Aberfan, South Wales to open a new community centre, 1973.

#108 Rows of headstones in Aberfan cemetery mark the final resting places of the dead in the disaster, 1966.

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Written by Andrew Thompson

Andrew Thompson is an archaeologist and historian who specializes in the study of war and conflict. He writes about the brutal history of warfare, including the World Wars and other significant conflicts. Through his work, he aims to deepen our understanding of the human cost of conflict and inspire us to work towards a more peaceful future.

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