What caused the sinkhole in Bangkok?
Preliminary investigations suggest the sinkhole was caused by a combination of heavy rainfall, a burst water pipe eroding the soil beneath the road, and the construction of the new MRT subway line.
News / Thailand
A significant road collapse occurred in Bangkok on Wednesday, September 24, 2025, leading to the formation of a large sinkhole near Vajira Hospital. The incident has disrupted traffic, damaged utilities, and prompted evacuations in the surr...
On the morning of September 24, 2025, a section of Samsen Road in Bangkok collapsed, creating a massive sinkhole approximately 30 by 30 meters wide and 50 meters deep. The collapse occurred near the construction site of the new MRT line’s “Vajira Station,” directly in front of Vajira Hospital. The incident caused immediate traffic closures and prompted the evacuation of patients and residents from nearby buildings.
Bangkok Governor Chadchart Sittipunt, an engineer, suggested that the collapse resulted from land slipping into the subway tunnel, which then caused a pipe burst and further destabilization. Emergency services, including the Metropolitan Electricity Authority, responded to manage the situation and conduct safety measures.
The incident underscores the challenges of managing infrastructure projects in densely populated urban areas. The sinkhole serves as a stark reminder of the potential consequences of construction-related accidents and the importance of stringent safety protocols.
Preliminary investigations suggest the sinkhole was caused by a combination of heavy rainfall, a burst water pipe eroding the soil beneath the road, and the construction of the new MRT subway line.
Fortunately, no injuries were reported as a direct result of the sinkhole collapse.
Authorities have closed the affected roads, evacuated nearby residents, and are working to stabilize the area and restore traffic. The Mass Rapid Transit Authority is investigating the cause of the collapse.
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