Gansu Landslide Kills 21 Forestry Workers

A landslide in northwest China killed 21 forestry workers as they moved through a remote mountain valley for land-clearing and maintenance work.

Official state reporting said 12 people survived, including seven with minor injuries, after the landslide hit shortly before 7 a.m. Tuesday in Nanhe township, Tanchang county, Gansu province.

The victims were a work crew, not village residents

The group was heading out to clear and maintain forest land when the slope failed.

The landslide was reported in an uninhabited area about 220 kilometers south of Lanzhou, the provincial capital.

The reported debris field was about 40 meters wide and covered roughly 5,400 square meters.

The location makes the emergency different from a residential disaster. A mobile crew was caught below unstable terrain during work.

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The debris remained unstable after rescue work

Local officials said the debris was about 8 to 10 meters deep in places.

Excavators were used to clear the accumulated material after the slide buried the workers in the valley.

A preliminary assessment pointed to steep terrain, erosion and local geological structure.

Officials also warned that the remaining material was unstable and that a second landslide risk remained at the site.

Gansu’s terrain adds to the danger

Gansu contains mountain valleys, erodible slopes and areas exposed to sudden geological hazards.

Landslide risk increases where steep terrain, loose material and slope disturbance combine.

The UN Office for Disaster Risk Reduction classifies landslides as geological hazards that can be triggered or worsened by environmental and human factors.

The forestry crew’s route put workers directly in the path of a slope failure, leaving little time to escape once the debris moved.

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The next task is slope safety

Rescue operations have ended, but the site remains hazardous.

Authorities still have to assess whether nearby slopes can fail again and whether forestry work in the area should be suspended.

The worker deaths also raise a planning issue for remote field teams.

Mountain maintenance crews operate in places where weather, erosion and access routes can change faster than formal risk reviews.

Sources

• Official state dispatch on Gansu landslide

• UNDRR hazard terminology

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