Muizenberg

The Muizenberg is an underground marl quarry located in the southern part of the Cannerberg, largely belonging to the municipality of Riemst (Belgium), on the border of the Netherlands and Belgium west of border marker 70.
The 8-hectare quarry largely collapsed (5.5 hectares) on 11 May 1926. The day before the collapse, rumors were already circulating in the nearby village of Kanne that unusual ground movements were observed in the quarry.
During the collapse, several block breakers were at work to hastily transport the last marl blocks from the quarry. At the time of the collapse, there were seven mushroom growers standing to the side of the entrance in a brick shelter.
Due to the air pressure, the seven people were thrown against the slope of the nearby road. Two of them were killed.
Four of the six people in the quarry tried to escape the collapse, but one of them died as a result of the air pressure. The two who remained in the quarry were buried by horse and cart.

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