Top 3 worst USA mining company disasters

There are numbers of major mining company disasters. Here we are at Top 3 worst USA mining company disasters. Accidents are a painful event. In the history of mining companies in USA, there are several mining company accidents that cost many lives. We sort Top 3 worst USA mining company disasters. As can be seen below, some of the names of mining companies are still operating now and they certainly learn from it too. Now, the safety standard of the mining company’s operations is increasingly better day by day. The point is of course to prevent the occurrence of work accidents in mining companies either causing death or just injuries. The accidents mostly happened during old age of mining where the safety standards is not as good as now. The technology being used in mining industry also help prevent the disasters to happen again.

Here’s a list of Top 3 worst USA mining company disasters.

1. The Monongah mining company disasters

Occurred in Monongah, West Virginia, on December 6, 1907, and has been described as “the worst mining disaster in American History”. The explosion occurred in Fairmont Coal Company’s No. 6 and No. 8 mines.

worst USA mining company disasters in monongan mine
monongah mining disasters, worst USA mining company disasters

On Sunday December 6, 1907 there were officially 367 men in the two mines. The fact that the actual number was much higher as officially registered workers often took their children and other relatives into the mine to help. At 10:28 AM an explosion occurred that killed most of the men inside the mine in a flash. The blast caused considerable damage to both the mine and the surface on the whole. The ventilation framework systems, necessary to keep fresh air supplied to the mine, were destroyed. The blast also destroyed along numerous railcars and other equipment. Inside the mine the timbers supporting the roof were blown down which caused further issues as the roof collapsed. An official cause of the explosion was not determined, but investigators at the time believed that an electrical spark or one of the miners’ open flame lamps ignited coal dust or methane gas

With the death toll around 367, not to mention the families, this USA mining company disasters, is in the top list in our Top 3  worst USA mining company disasters.

2. The Scofield mining company disasters

Next at the second list of Top 3 worst USA mining company disaters, is the Scofield mine disaster.  A mining explosion that occurred at the Winter Quarters mine in 1900, exactly at 1 May 1990. The mine was located at near the town of Scofield, Utah.

On May 1, 1900, a dust explosion in the Winter Quarters Mine killed at least 200 men. Meanwhile, some few rescuers placing the death toll as high as 246. Some were slaughtered outright by the explosion, but most died of suffocation by whitedamp and afterdamp. Death came so quickly that some of the mine workers were found still clutching their tools. It still ranks as one of the worst USA mining company disasters in the United States with a high number of deaths. The death toll is 200 but there was some confusion about this as one of the bodies was not found until August 1900. Other numbers have been proposed, yet practically no confirmation or evidence is available to support these claims.

One of the deceased had a watch that had stopped at 10:28 AM. The State Mine Inspector’s Report determined that a large shot of powder in the Number 4 Section ignited coal dust. The iginited flame which spread throughout Number 4 killing some of the miners. The explosion blew up the fan used to ventilate Number 4. However in Number 1 mine which was connected, the fan continued to run and pulled the remnants of the explosion. This including afterdamp (primarily carbon monoxide) into Number 1. When the miners inside Number 1 tried to walk out, they walked into the poisonous gas, and were overcome and killed. Many workers were too far into the mine to escape.

3. Speculator mining company disasters

In the Granite Mountain/Speculator Mine disaster of June 8, 1917, an electric cable was being lowered into the Granite Mountain mine. This work is part of a fire safety system. At this time, the Butte, Montana copper mines were at full wartime production. When the cable fell and was damaged, a foreman (approximately 2,500 feet below the surface) with a carbide lamp went to inspect the damage. Suddenly the oil-soaked cloth insulation on the cable was ignited by the flame from his lamp. The fire quickly climbed the cable, and then turned the shaft into a chimney, igniting the timbers in the shaft.

Overall 168 miners died in the ensuing blaze, most from asphyxia. Some of the deceased did not die immediately; they survived for a day or two in the tunnels underground. Notes were written by some while they waited to be rescued. A few managed to barricade themselves within bulkheads in the mine and were found after as long as 55 hours.


In the first place, lets pray to the victims and do our best to maintain the job site and workplace a safe place for everyone. Furthermore, do not let safety out from our mind even for just one minute. Ordinarily, It could lead to bad accidents for you and your colleague. Report to your supervisor and safety personnel if you find any issue in your workplace

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